title: Comparison of ropivacaine and bupivacaine for extradural analgesia.
authors.forename: A A
authors.initials: AA
authors.lastname: al-Kaisy
mesh_terms: D000577:Amides; D000767:Anesthesia, Epidural; D000773:Anesthesia, Obstetrical; D000779:Anesthetics, Local; D002045:Bupivacaine; D006801:Humans; D000077212:Ropivacaine
chemical_list: D000577:Amides; D000779:Anesthetics, Local; D000077212:Ropivacaine; D002045:Bupivacaine