From: Appendix F, Grading the evidence
![Cover of Irritable Bowel Syndrome in Adults](/corehtml/pmc/pmcgifs/bookshelf/thumbs/th-nicecg61-lrg.png)
Irritable Bowel Syndrome in Adults: Diagnosis and Management of Irritable Bowel Syndrome in Primary Care [Internet].
NICE Clinical Guidelines, No. 61.
National Collaborating Centre for Nursing and Supportive Care (UK).
London: Royal College of Nursing (UK); 2008 Feb.
Copyright © 2008, Royal College of Nursing.
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