COMPARISON OF THE EFFICACY OF 0.2% TOPICAL GLYCERYL TRINITRATE VERSUS PLACEBO IN PAIN MANAGEMENT IN PATIENTS UNDERGOING MILLIGAN-MORGAN HEMORRHOIDECTOMY AT TERTIARY CARE HOSPITAL, KARACHI. (2025). Frontier in Medical and Health Research, 3(2), 1125-1129. https://fmhr.net/index.php/fmhr/article/view/1946