Obstetric anesthesia and analgesia.
Marx
G F
GF
Albert Einstein College of Medicine, Bronx, New York.
Schwalbe
S S
SS
D016362:Analgesia, Obstetrical / Q000379:methods; D016058:Analgesia, Patient-Controlled; D000700:Analgesics / Q000008:administration & dosage; D000773:Anesthesia, Obstetrical / Q000379:methods; D005260:Female; D006801:Humans; D011247:Pregnancy
D000700:Analgesics