Epidural administration of 2% Mepivacaine after spinal anesthesia does not prevent intraoperative nausea and vomiting during cesarean section: A prospective,double-blinded,randomized controlled trial
a Department of Anesthesiology, Uonuma Kikan Hospital, Minami-Uonuma, Niigata 949-7302, Japan;b Department of Anesthesiology, Niigata University Medical and Dental Hospital, Niigata 951-8520, Japan