title: Extradural analgesia in the first stage of labour.
authors.forename: R
authors.initials: R
authors.lastname: Fernando
authors.forename: M G
authors.initials: MG
authors.lastname: Parry
mesh_terms: D000767:Anesthesia, Epidural; D000773:Anesthesia, Obstetrical; D005260:Female; D006801:Humans; D007749:Labor Stage, Third; D011247:Pregnancy