title: The sine qua non of a subdural block?
authors.forename: Ban C H
authors.initials: BC
authors.lastname: Tsui
mesh_terms: D015360:Analgesia, Epidural / Q000009:adverse effects / Q000379:methods*; D016362:Analgesia, Obstetrical / Q000009:adverse effects / Q000379:methods*; D000779:Anesthetics, Local / Q000008:administration & dosage; D002585:Cesarean Section; D004558:Electric Stimulation; D019054:Evoked Potentials, Motor; D005260:Female; D006801:Humans; D019300:Medical Errors; D011247:Pregnancy; D013355:Subdural Space
chemical_list: D000779:Anesthetics, Local