title: Anesthetic considerations for complicated obstetrics. I. A retrospective study of 527 twin deliveries.
mesh_terms: D000765:Anesthesia, Conduction; D000769:Anesthesia, Inhalation; D000773:Anesthesia, Obstetrical; D001722:Birth Order; D001724:Birth Weight; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007744:Obstetric Labor Complications; D011247:Pregnancy; D013223:Statistics as Topic; D014427:Twins