Safety and efficacy of an obstetrician-provider epidural service: a critique.
Heyman
H J
HJ
Bartelsmeyer
J
J
Locher
S
S
Hatoum
N
N
D015360:Analgesia, Epidural; D016362:Analgesia, Obstetrical; D000767:Anesthesia, Epidural; D000773:Anesthesia, Obstetrical; D005260:Female; D006801:Humans; D009774:Obstetrics; D011247:Pregnancy