title: Potency, impotency, and importance!
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; D000328:Adult; D000577:Amides; D015360:Analgesia, Epidural; D016362:Analgesia, Obstetrical; D016058:Analgesia, Patient-Controlled; D000779:Anesthetics, Local; D002045:Bupivacaine; D005260:Female; D005283:Fentanyl; D006801:Humans; D011247:Pregnancy; D000077212:Ropivacaine
chemical_list: D000759:Adjuvants, Anesthesia; D000577:Amides; D000779:Anesthetics, Local; D000077212:Ropivacaine; D005283:Fentanyl; D002045:Bupivacaine