title: Obstetric anesthesia in the U.S.A.
authors.forename: I
authors.initials: I
authors.lastname: FEHN
mesh_terms: D000758:Anesthesia; D000773:Anesthesia, Obstetrical; D000776:Anesthesiology; D005260:Female; D006176:Gynecology; D006801:Humans; D009774:Obstetrics; D011247:Pregnancy