title: Comparison of epidural ropivacaine and bupivacaine in combination with sufentanil for labor.
authors.forename: L S
authors.initials: LS
authors.lastname: Polley
authors.forename: M O
authors.initials: MO
authors.lastname: Columb
mesh_terms: D000759:Adjuvants, Anesthesia; D000577:Amides; D000773:Anesthesia, Obstetrical; D019162:Anesthetics, Combined; D000779:Anesthetics, Local; D002045:Bupivacaine; D005260:Female; D006801:Humans; D011247:Pregnancy; D000077212:Ropivacaine; D017409:Sufentanil
chemical_list: D000759:Adjuvants, Anesthesia; D000577:Amides; D019162:Anesthetics, Combined; D000779:Anesthetics, Local; D000077212:Ropivacaine; D017409:Sufentanil; D002045:Bupivacaine