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Radial aplasia-thrombocytopenia syndrome(TAR)

MedGen UID:
61235
Concept ID:
C0175703
Disease or Syndrome
Synonyms: Absent radii and thrombocytopenia; TAR; TAR syndrome; Thrombocytopenia absent radii; Thrombocytopenia Absent Radius Syndrome
SNOMED CT: Thrombocytopenia with absent radius syndrome (85589009); TAR - Thrombocytopenia with absent radius syndrome (85589009); Radial aplasia-thrombocytopenia syndrome (85589009); Thrombocytopenia-absent radii syndrome (85589009); TAR syndrome (85589009)
Modes of inheritance:
Autosomal recessive inheritance
MedGen UID:
141025
Concept ID:
C0441748
Intellectual Product
Source: Orphanet
A mode of inheritance that is observed for traits related to a gene encoded on one of the autosomes (i.e., the human chromosomes 1-22) in which a trait manifests in individuals with two pathogenic alleles, either homozygotes (two copies of the same mutant allele) or compound heterozygotes (whereby each copy of a gene has a distinct mutant allele).
 
Gene (location): RBM8A (1q21.1)
 
Monarch Initiative: MONDO:0010121
OMIM®: 274000
Orphanet: ORPHA3320

Disease characteristics

Excerpted from the GeneReview: Thrombocytopenia Absent Radius Syndrome
Thrombocytopenia absent radius (TAR) syndrome is characterized by bilateral absence of the radii with the presence of both thumbs, and thrombocytopenia that is generally transient. Thrombocytopenia may be congenital or may develop within the first few weeks to months of life; in general, thrombocytopenic episodes decrease with age. Cow's milk allergy is common and can be associated with exacerbation of thrombocytopenia. Other anomalies of the skeleton (upper and lower limbs, ribs, and vertebrae), heart, and genitourinary system (renal anomalies and agenesis of uterus, cervix, and upper part of the vagina) can occur. [from GeneReviews]
Authors:
Florence Petit  |  Simon Boussion   view full author information

Additional descriptions

From OMIM
The thrombocytopenia-absent radius syndrome (TAR) is characterized by reduction in the number of platelets and absence of the radius; preservation of the thumb distinguishes TAR from other syndromes that combine blood abnormalities with absence of the radius, such as Fanconi anemia (see 227650). Individuals with TAR have low numbers of megakaryocytes, platelet precursor cells that reside in bone marrow, and frequently present with bleeding episodes in the first year of life that diminish in frequency and severity with age. The severity of skeletal anomalies varies from absence of radii to virtual absence of upper limbs, with or without lower limb defects such as malformations of the hip and knee (summary by Albers et al., 2012).  http://www.omim.org/entry/274000
From MedlinePlus Genetics
Thrombocytopenia-absent radius (TAR) syndrome is characterized by the absence of a bone called the radius in each forearm and a shortage (deficiency) of blood cells involved in clotting (platelets). This platelet deficiency (thrombocytopenia) usually appears during infancy and becomes less severe over time; in some cases the platelet levels become normal.

Thrombocytopenia prevents normal blood clotting, resulting in easy bruising and frequent nosebleeds. Potentially life-threatening episodes of severe bleeding (hemorrhages) may occur in the brain and other organs, especially during the first year of life. Hemorrhages can damage the brain and lead to intellectual disability. Affected children who survive this period and do not have damaging hemorrhages in the brain usually have a normal life expectancy and normal intellectual development.

The severity of skeletal problems in TAR syndrome varies among affected individuals. The radius, which is the bone on the thumb side of the forearm, is almost always missing in both arms. The other bone in the forearm, which is called the ulna, is sometimes underdeveloped or absent in one or both arms. TAR syndrome is unusual among similar malformations in that affected individuals have thumbs, while people with other conditions involving an absent radius typically do not. However, there may be other abnormalities of the hands, such as webbed or fused fingers (syndactyly) or curved pinky fingers (fifth finger clinodactyly). Some people with TAR syndrome also have skeletal abnormalities affecting the upper arms, legs, or hip sockets.

Other features that can occur in TAR syndrome include malformations of the heart or kidneys. Some people with this disorder have unusual facial features including a small lower jaw (micrognathia), a prominent forehead, and low-set ears. About half of affected individuals have allergic reactions to cow's milk that may worsen the thrombocytopenia associated with this disorder.  https://medlineplus.gov/genetics/condition/thrombocytopenia-absent-radius-syndrome

Clinical features

From HPO
Facial capillary hemangioma
MedGen UID:
347662
Concept ID:
C1858545
Finding
Hemangioma, a benign tumor of the vascular endothelial cells with small endothelial spaces, occurring in the face.
Vesicoureteral reflux
MedGen UID:
21852
Concept ID:
C0042580
Disease or Syndrome
Vesicoureteral reflux (VUR) is characterized by the reflux of urine from the bladder into the ureters and sometimes into the kidneys. It is a risk factor for urinary tract infections. Primary VUR results from a developmental defect of the ureterovesical junction (UVJ). In combination with intrarenal reflux, the resulting inflammatory reaction may result in renal injury or scarring, also called reflux nephropathy (RN). Extensive renal scarring impairs renal function and may predispose patients to hypertension, proteinuria, and renal insufficiency (summary by Lu et al., 2007). Genetic Heterogeneity of Vesicoureteral Reflux A locus designated VUR1 maps to chromosome 1p13. VUR2 (610878) is caused by mutation in the ROBO2 gene (602431) on chromosome 3p12; VUR3 (613674) is caused by mutation in the SOX17 gene (610928) on chromosome 8q11; VUR4 (614317) maps to chromosome 5; VUR5 (614318) maps to chromosome 13; VUR6 (614319) maps to chromosome 18; VUR7 (615390) maps to chromosome 12; and VUR8 (615963) is caused by mutation in the TNXB gene (600985) on chromosome 6p21. A possible X-linked form has been reported (VURX; 314550).
Horseshoe kidney
MedGen UID:
65140
Concept ID:
C0221353
Congenital Abnormality
A connection of the right and left kidney by an isthmus of functioning renal parenchyma or fibrous tissue that crosses the midline.
Ureteral duplication
MedGen UID:
66380
Concept ID:
C0221365
Congenital Abnormality
A developmental anomaly characterized by the presence of two, instead of one, ureter connecting a kidney to the bladder.
Renal malrotation
MedGen UID:
68662
Concept ID:
C0238210
Congenital Abnormality
An abnormality of the normal developmental rotation of the kidney leading to an abnormal orientation of the kidney.
Dilatation of the renal pelvis
MedGen UID:
574571
Concept ID:
C0341676
Disease or Syndrome
The presence of dilatation of the renal pelvis.
Aplasia of the uterus
MedGen UID:
98421
Concept ID:
C0425913
Finding
Aplasia of the uterus.
Axial malrotation of the kidney
MedGen UID:
870840
Concept ID:
C4025300
Congenital Abnormality
An abnormality of the normal developmental rotation of the kidney leading to an abnormal axial orientation of the kidney.
Clubfoot
MedGen UID:
3130
Concept ID:
C0009081
Congenital Abnormality
Clubfoot is a congenital limb deformity defined as fixation of the foot in cavus, adductus, varus, and equinus (i.e., inclined inwards, axially rotated outwards, and pointing downwards) with concomitant soft tissue abnormalities (Cardy et al., 2007). Clubfoot may occur in isolation or as part of a syndrome (e.g., diastrophic dysplasia, 222600). Clubfoot has been reported with deficiency of long bones and mirror-image polydactyly (Gurnett et al., 2008; Klopocki et al., 2012).
Finger syndactyly
MedGen UID:
65139
Concept ID:
C0221352
Congenital Abnormality
Webbing or fusion of the fingers, involving soft parts only or including bone structure. Bony fusions are referred to as "bony" Syndactyly if the fusion occurs in a radio-ulnar axis. Fusions of bones of the fingers in a proximo-distal axis are referred to as "Symphalangism".
Coxa valga
MedGen UID:
116080
Concept ID:
C0239137
Finding
Coxa valga is a deformity of the hip in which the angle between the femoral shaft and the femoral neck is increased compared to age-adjusted values (about 150 degrees in newborns gradually reducing to 120-130 degrees in adults).
Ulnar deviation of the hand
MedGen UID:
66031
Concept ID:
C0241521
Finding
Divergence of the longitudinal axis of the hand at the wrist in a posterior (ulnar) direction (i.e., towards the little finger).
Broad thumb
MedGen UID:
140880
Concept ID:
C0426891
Finding
Increased thumb width without increased dorso-ventral dimension.
Tibial torsion
MedGen UID:
98099
Concept ID:
C0426900
Finding
Twisted position of the tibia (shin bone) associated with pathological rotation of the leg.
Thumbs, congenital Clasped
MedGen UID:
98140
Concept ID:
C0431886
Congenital Abnormality
In the resting position, the tip of the thumb is on, or near, the palm, close to the base of the fourth or fifth finger.
Short thumb
MedGen UID:
98469
Concept ID:
C0431890
Congenital Abnormality
Hypoplasia (congenital reduction in size) of the thumb.
Genu varum
MedGen UID:
154257
Concept ID:
C0544755
Finding
A positional abnormality marked by outward bowing of the legs in which the knees stay wide apart when a person stands with the feet and ankles together.
Radial deviation of the hand
MedGen UID:
108280
Concept ID:
C0575803
Finding
An abnormal position of the hand in which the wrist is bent toward the radius (i.e., toward the thumb).
Hypoplasia of the radius
MedGen UID:
672334
Concept ID:
C0685381
Congenital Abnormality
Underdevelopment of the radius.
Short phalanx of finger
MedGen UID:
163753
Concept ID:
C0877165
Finding
Short (hypoplastic) phalanx of finger, affecting one or more phalanges.
Absent radius
MedGen UID:
235613
Concept ID:
C1405984
Congenital Abnormality
Missing radius bone associated with congenital failure of development.
Fibular aplasia
MedGen UID:
373034
Concept ID:
C1836186
Finding
Absence of the fibula.
Bilateral radial aplasia
MedGen UID:
336433
Concept ID:
C1848840
Finding
Missing radius bone on both sides associated with congenital failure of development.
Clinodactyly of the 5th finger
MedGen UID:
340456
Concept ID:
C1850049
Congenital Abnormality
Clinodactyly refers to a bending or curvature of the fifth finger in the radial direction (i.e., towards the 4th finger).
Hypoplasia of the ulna
MedGen UID:
395934
Concept ID:
C1860614
Congenital Abnormality
Underdevelopment of the ulna.
Carpal bone hypoplasia
MedGen UID:
355049
Concept ID:
C1863749
Finding
Underdevelopment of one or more carpal bones.
Ulnar bowing
MedGen UID:
356099
Concept ID:
C1865847
Finding
Bending of the diaphysis (shaft) of the ulna.
Patellar aplasia
MedGen UID:
401474
Concept ID:
C1868578
Congenital Abnormality
Absence of the patella.
Edema of the dorsum of feet
MedGen UID:
753650
Concept ID:
C2919341
Finding
An abnormal accumulation of fluid beneath the skin on the back of the feet.
Absent thumb
MedGen UID:
480441
Concept ID:
C3278811
Finding
Absent thumb, i.e., the absence of both phalanges of a thumb and the associated soft tissues.
Aplasia/hypoplasia of the humerus
MedGen UID:
870582
Concept ID:
C4025031
Finding
Absence (due to failure to form) or underdevelopment of the humerus.
Short forearm
MedGen UID:
1632880
Concept ID:
C4551978
Anatomical Abnormality
Underdevelopment of both forearm bones, the ulna and the radius, resulting in a shortened forearm.
Coarctation of aorta
MedGen UID:
1617
Concept ID:
C0003492
Congenital Abnormality
Coarctation of the aorta is a narrowing or constriction of a segment of the aorta.
Patent ductus arteriosus
MedGen UID:
4415
Concept ID:
C0013274
Congenital Abnormality
In utero, the ductus arteriosus (DA) serves to divert ventricular output away from the lungs and toward the placenta by connecting the main pulmonary artery to the descending aorta. A patent ductus arteriosus (PDA) in the first 3 days of life is a physiologic shunt in healthy term and preterm newborn infants, and normally is substantially closed within about 24 hours after bith and completely closed after about three weeks. Failure of physiologcal closure is referred to a persistent or patent ductus arteriosus (PDA). Depending on the degree of left-to-right shunting, PDA can have clinical consequences.
Atrial septal defect
MedGen UID:
6753
Concept ID:
C0018817
Congenital Abnormality
Atrial septal defect (ASD) is a congenital abnormality of the interatrial septum that enables blood flow between the left and right atria via the interatrial septum.
Ventricular septal defect
MedGen UID:
42366
Concept ID:
C0018818
Congenital Abnormality
A hole between the two bottom chambers (ventricles) of the heart. The defect is centered around the most superior aspect of the ventricular septum.
Tetralogy of Fallot
MedGen UID:
21498
Concept ID:
C0039685
Congenital Abnormality
Each of the heart defects associated with CCHD affects the flow of blood into, out of, or through the heart. Some of the heart defects involve structures within the heart itself, such as the two lower chambers of the heart (the ventricles) or the valves that control blood flow through the heart. Others affect the structure of the large blood vessels leading into and out of the heart (including the aorta and pulmonary artery). Still others involve a combination of these structural abnormalities.\n\nSome people with treated CCHD have few related health problems later in life. However, long-term effects of CCHD can include delayed development and reduced stamina during exercise. Adults with these heart defects have an increased risk of abnormal heart rhythms, heart failure, sudden cardiac arrest, stroke, and premature death.\n\nPeople with CCHD have one or more specific heart defects. The heart defects classified as CCHD include coarctation of the aorta, double-outlet right ventricle, D-transposition of the great arteries, Ebstein anomaly, hypoplastic left heart syndrome, interrupted aortic arch, pulmonary atresia with intact septum, single ventricle, total anomalous pulmonary venous connection, tetralogy of Fallot, tricuspid atresia, and truncus arteriosus.\n\nAlthough babies with CCHD may appear healthy for the first few hours or days of life, signs and symptoms soon become apparent. These can include an abnormal heart sound during a heartbeat (heart murmur), rapid breathing (tachypnea), low blood pressure (hypotension), low levels of oxygen in the blood (hypoxemia), and a blue or purple tint to the skin caused by a shortage of oxygen (cyanosis). If untreated, CCHD can lead to shock, coma, and death. However, most people with CCHD now survive past infancy due to improvements in early detection, diagnosis, and treatment.\n\nCritical congenital heart disease (CCHD) is a term that refers to a group of serious heart defects that are present from birth. These abnormalities result from problems with the formation of one or more parts of the heart during the early stages of embryonic development. CCHD prevents the heart from pumping blood effectively or reduces the amount of oxygen in the blood. As a result, organs and tissues throughout the body do not receive enough oxygen, which can lead to organ damage and life-threatening complications. Individuals with CCHD usually require surgery soon after birth.
Atrioventricular canal defect
MedGen UID:
235591
Concept ID:
C1389016
Anatomical Abnormality
A defect of the atrioventricular septum of the heart.
Short stature
MedGen UID:
87607
Concept ID:
C0349588
Finding
A height below that which is expected according to age and gender norms. Although there is no universally accepted definition of short stature, many refer to "short stature" as height more than 2 standard deviations below the mean for age and gender (or below the 3rd percentile for age and gender dependent norms).
Hepatosplenomegaly
MedGen UID:
9225
Concept ID:
C0019214
Sign or Symptom
Simultaneous enlargement of the liver and spleen.
Meckel diverticulum
MedGen UID:
9917
Concept ID:
C0025037
Congenital Abnormality
Meckel's diverticulum is a congenital diverticulum located in the distal ileum.
Pancreatic cysts
MedGen UID:
45293
Concept ID:
C0030283
Disease or Syndrome
A cyst of the pancreas that possess a lining of mucous epithelium.
Seizure
MedGen UID:
20693
Concept ID:
C0036572
Sign or Symptom
A seizure is an intermittent abnormality of nervous system physiology characterized by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.
Syringomyelia
MedGen UID:
21449
Concept ID:
C0039144
Disease or Syndrome
Dilated, glial-lined cavity in spinal cord. This cavity does not communicate with the central canal, and usually is between the dorsal columns unilaterally or bilaterally along the side of the cord.
Spina bifida
MedGen UID:
38283
Concept ID:
C0080178
Congenital Abnormality
Incomplete closure of the embryonic neural tube, whereby some vertebral arches remain unfused and open. The mildest form is spina bifida occulta, followed by meningocele and meningomyelocele.
Cerebellar hypoplasia
MedGen UID:
120578
Concept ID:
C0266470
Congenital Abnormality
Cerebellar hypoplasia is a descriptive term implying a cerebellum with a reduced volume, but a normal shape and is stable over time.
Global developmental delay
MedGen UID:
107838
Concept ID:
C0557874
Finding
A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age.
Cerebellar vermis hypoplasia
MedGen UID:
333548
Concept ID:
C1840379
Finding
Underdevelopment of the vermis of cerebellum.
Cavum septum pellucidum
MedGen UID:
327087
Concept ID:
C1840380
Finding
If the two laminae of the septum pellucidum are not fused then a fluid-filled space or cavum is present. The cavum septum pellucidum is present at birth but usually obliterates by the age of 3 to 6 months. It is up to 1cm in width and the walls are parallel. It is an enclosed space and is not part of the ventricular system or connected with the subarachnoid space.
Motor delay
MedGen UID:
381392
Concept ID:
C1854301
Finding
A type of Developmental delay characterized by a delay in acquiring motor skills.
Intellectual disability
MedGen UID:
811461
Concept ID:
C3714756
Mental or Behavioral Dysfunction
Intellectual disability, previously referred to as mental retardation, is characterized by subnormal intellectual functioning that occurs during the developmental period. It is defined by an IQ score below 70.
Delayed CNS myelination
MedGen UID:
867393
Concept ID:
C4021758
Anatomical Abnormality
Delayed myelination in the central nervous system.
Anemia
MedGen UID:
1526
Concept ID:
C0002871
Disease or Syndrome
A reduction in erythrocytes volume or hemoglobin concentration.
Thrombocytopenia
MedGen UID:
52737
Concept ID:
C0040034
Disease or Syndrome
A reduction in the number of circulating thrombocytes.
Prolonged bleeding following circumcision
MedGen UID:
868219
Concept ID:
C4022611
Finding
Bleeding that persists for a longer than usual time following circumcision.
Hip dislocation
MedGen UID:
42455
Concept ID:
C0019554
Injury or Poisoning
Displacement of the femur from its normal location in the hip joint.
Micrognathia
MedGen UID:
44428
Concept ID:
C0025990
Congenital Abnormality
Developmental hypoplasia of the mandible.
Phocomelia
MedGen UID:
10721
Concept ID:
C0031575
Congenital Abnormality
Missing or malformed long bones of the extremities with the distal parts (such as hands and/or feet) connected to the variably shortened or even absent extremity, leading to a flipper-like appearance, as opposed to other forms of limb malformations were either the hole limb is missing (such as amelia), or the distal part of a limb is absent (peromelia).
Cervical rib
MedGen UID:
102359
Concept ID:
C0158779
Congenital Abnormality
Presence of rib formation in the cervical region.
Brachycephaly
MedGen UID:
113165
Concept ID:
C0221356
Congenital Abnormality
An abnormality of skull shape characterized by a decreased anterior-posterior diameter. That is, a cephalic index greater than 81%. Alternatively, an apparently shortened anteroposterior dimension (length) of the head compared to width.
Lateral clavicle hook
MedGen UID:
98426
Concept ID:
C0426805
Finding
An excessive upward convexity of the lateral clavicle.
Carpal synostosis
MedGen UID:
98468
Concept ID:
C0431863
Congenital Abnormality
Synostosis (bony fusion) involving one or more bones of the carpus (scaphoid, lunate, triquetrum, trapezium, trapezoid, capitate, hamate, pisiform).
Patellar dislocation
MedGen UID:
253896
Concept ID:
C1135812
Injury or Poisoning
The kneecap normally is located within the groove termed trochlea on the distal femur and can slide up and down in it. Patellar dislocation occurs if the patella fully dislocates out of the groove.
Malar flattening
MedGen UID:
347616
Concept ID:
C1858085
Finding
Underdevelopment of the malar prominence of the jugal bone (zygomatic bone in mammals), appreciated in profile, frontal view, and/or by palpation.
Femoral bowing
MedGen UID:
347888
Concept ID:
C1859461
Finding
Bowing (abnormal curvature) of the femur.
Shoulder muscle hypoplasia
MedGen UID:
369389
Concept ID:
C1969001
Finding
Underdevelopment of muscles of the shoulder.
Fused cervical vertebrae
MedGen UID:
854386
Concept ID:
C3887527
Congenital Abnormality
A congenital anomaly characterized by a joining (fusion) of two or more cervical vertebral bodies with one another.
Abnormal shoulder morphology
MedGen UID:
871182
Concept ID:
C4025659
Anatomical Abnormality
An abnormality of the shoulder, which is defined as the structures surrounding the shoulder joint where the humerus attaches to the scapula.
Eosinophilia
MedGen UID:
41824
Concept ID:
C0014457
Disease or Syndrome
Increased count of eosinophils in the blood.
Leukocytosis
MedGen UID:
9736
Concept ID:
C0023518
Disease or Syndrome
An abnormal increase in the number of leukocytes in the blood.
Seborrheic dermatitis
MedGen UID:
19912
Concept ID:
C0036508
Disease or Syndrome
Seborrheic dermatitis is a form of eczema which is closely related to dandruff. It causes dry or greasy peeling of the scalp, eyebrows, and face, and sometimes trunk.
Decreased circulating antibody concentration
MedGen UID:
892481
Concept ID:
C4048270
Finding
An abnormally decreased level of immunoglobulin in blood.
Cow milk allergy
MedGen UID:
1668719
Concept ID:
C4758639
Pathologic Function
Hypersensitivity in form of an adverse immune reaction against cow milk protein.
Edema of the dorsum of hands
MedGen UID:
752076
Concept ID:
C2732374
Finding
An abnormal accumulation of fluid beneath the skin on the back of the hands.
Anteverted nares
MedGen UID:
326648
Concept ID:
C1840077
Finding
Anteriorly-facing nostrils viewed with the head in the Frankfurt horizontal and the eyes of the observer level with the eyes of the subject. This gives the appearance of an upturned nose (upturned nasal tip).
Cleft palate
MedGen UID:
756015
Concept ID:
C2981150
Congenital Abnormality
Cleft palate is a developmental defect of the palate resulting from a failure of fusion of the palatine processes and manifesting as a separation of the roof of the mouth (soft and hard palate).
Nevus flammeus of the forehead
MedGen UID:
376454
Concept ID:
C1848850
Finding
Naevus flammeus localized in the skin of the forehead.
Ptosis
MedGen UID:
2287
Concept ID:
C0005745
Disease or Syndrome
The upper eyelid margin is positioned 3 mm or more lower than usual and covers the superior portion of the iris (objective); or, the upper lid margin obscures at least part of the pupil (subjective).
Corneal opacity
MedGen UID:
40485
Concept ID:
C0010038
Finding
A reduction of corneal clarity.
Strabismus
MedGen UID:
21337
Concept ID:
C0038379
Disease or Syndrome
A misalignment of the eyes so that the visual axes deviate from bifoveal fixation. The classification of strabismus may be based on a number of features including the relative position of the eyes, whether the deviation is latent or manifest, intermittent or constant, concomitant or otherwise and according to the age of onset and the relevance of any associated refractive error.
Cataract
MedGen UID:
39462
Concept ID:
C0086543
Disease or Syndrome
A cataract is an opacity or clouding that develops in the crystalline lens of the eye or in its capsule.

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVRadial aplasia-thrombocytopenia syndrome
Follow this link to review classifications for Radial aplasia-thrombocytopenia syndrome in Orphanet.

Professional guidelines

PubMed

Akdemir M, Biçen Ç, Özkan M
Acta Orthop Traumatol Turc 2022 Nov;56(6):366-371. doi: 10.5152/j.aott.2022.21397. PMID: 36567538Free PMC Article
Espinoza AF, Krispin E, Cortes MS, Kirk S, Hui SK, Wagner KB, Despotovic J, Shamshirsaz AA
Neoreviews 2022 Jun 1;23(6):e429-e433. doi: 10.1542/neo.23-6-e429. PMID: 35641461
Geddis AE
Int J Lab Hematol 2013 Feb;35(1):14-25. Epub 2012 Jul 30 doi: 10.1111/j.1751-553X.2012.01454.x. PMID: 22846067

Recent clinical studies

Diagnosis

Hastings Cent Rep 1988 Aug-Sep;18(4):suppl 25-8. PMID: 3220743

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