title: Efficacy of epidural analgesia during labour and delivery: a comparison between singleton vertex presentation, singleton breech presentation and twin pregnancies.
authors.forename: T
authors.initials: T
authors.lastname: Villevieille
authors.forename: F
authors.initials: F
authors.lastname: Mercier
authors.forename: P E
authors.initials: PE
authors.lastname: Shannon
authors.forename: Y
authors.initials: Y
authors.lastname: Auroy
authors.forename: D
authors.initials: D
authors.lastname: Benhamou
mesh_terms: D015360:Analgesia, Epidural; D016362:Analgesia, Obstetrical; D000704:Analysis of Variance; D001946:Breech Presentation; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D007746:Labor Presentation; D007743:Labor, Obstetric / Q000187:drug effects*; D010146:Pain / Q000188:drug therapy*; D011247:Pregnancy; D011272:Pregnancy, Multiple / Q000187:drug effects*; D014427:Twins