HETAL KANABAR; DIPTI DESAI; DINESH C BABARIYA; LAXMI YADAV; KANVEE M VANIA. POST-OPERATIVE URINARY RETENTION AFTER SPINAL ANESTHESIA IN HERNIA SURGERY: A PROSPECTIVE, COMPARATIVE DOUBLE-BLIND STUDY BETWEEN ROPIVACAINE HEAVY 0.75% AND BUPIVACAINE HEAVY 0.5%. Asian J Pharm Clin Res 2024, 17, 33-36.