• Vacuum Extraction, Obstetrical
  Vacuum Extraction, Obstetrical

  Removal of the fetus from the uterus or vagina at or near the end of pregnancy with a metal traction cup that is attached to the fetus' head. Negative pressure is applied and ...<br/>Year introduced: 1991(1975)
  MeSH
• Acoustics
  Acoustics

  The branch of physics that deals with sound and sound waves. In medicine it is often applied in procedures in speech and hearing studies. With regard to the environment, it re...<br/>
  MeSH
• Biochemistry
  Biochemistry

  The study of the composition, chemical structures, and chemical reactions of living things.<br/>
  MeSH

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