A Study of the Efficacy of Ultrasound Guided Tap Block Using 0.375% Ropivacaine for Postoperative Analgesia in Patients Undergoing Total Abdominal Hysterectomy Journal title: Scholars Journal of Applied Medical Sciences Authors: Dr. Venugopal Dageti M.D, Dr. Nanda Kumar Murari M.D, Priyanka Mundra DNB Subject(s):