KAUR, G.; HUSAIN RIZVI, S. Z.; SRIVASTAVA, R. K.; RANA, A. K. COMPARISON OF SUBARACHNOID MAGNESIUM SULFATE AND FENTANYL AS ADJUVANTS WITH 0.5% HEAVY BUPIVACAINE FOR POSTOPERATIVE ANALGESIA IN INFRA-UMBILICAL SURGERIES. Asian J Pharm Clin Res 2023, 16, 107-110.