title: Another explanation.
authors.forename: N R
authors.initials: NR
authors.lastname: Connelly
authors.forename: S M
authors.initials: SM
authors.lastname: Dunn
mesh_terms: D015360:Analgesia, Epidural; D016362:Analgesia, Obstetrical; D000775:Anesthesia, Spinal; D019162:Anesthetics, Combined / Q000008:administration & dosage; D002045:Bupivacaine / Q000008:administration & dosage*; D002584:Cervix Uteri / Q000187:drug effects*; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D011247:Pregnancy; D017409:Sufentanil
chemical_list: D019162:Anesthetics, Combined; D017409:Sufentanil; D002045:Bupivacaine