title: Subdural injection of morphine for analgesia following cesarean section: a report of three cases.
authors.affiliation: Department of Anesthesiology, University of Washington School of Medicine, Seattle 98195.
authors.forename: H S
authors.initials: HS
authors.lastname: Chadwick
authors.forename: C M
authors.initials: CM
authors.lastname: Bernards
authors.forename: D W
authors.initials: DW
authors.lastname: Kovarik
authors.forename: J J
authors.initials: JJ
authors.lastname: Tomlin
mesh_terms: D000328:Adult; D000773:Anesthesia, Obstetrical; D002585:Cesarean Section; D005260:Female; D006801:Humans; D007268:Injections, Epidural; D008012:Lidocaine; D009020:Morphine / Q000008:administration & dosage*; D010149:Postoperative Pain / Q000517:prevention & control*; D011247:Pregnancy; D011859:Radiography; D013355:Subdural Space / Q000000981:diagnostic imaging
chemical_list: D009020:Morphine; D008012:Lidocaine