"In the present state of our knowledge". Early use of opioids in obstetrics.
Caton
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Department of Anesthesiology, University of Florida College of Medicine, Gainesville 32610-0254.
D000758:Anesthesia / Q000266:history*; D005260:Female; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007231:Infant, Newborn; D007743:Labor, Obstetric; D009294:Narcotics / Q000627:therapeutic use*; D009774:Obstetrics / Q000266:history*; D011247:Pregnancy
D009294:Narcotics