ULTRASONIC EVALUATION OF CHOLELITHIASIS AND CHOLECYSTITIS: A COMPARATIVE STUDY BETWEEN MALE AND FEMALE PATIENTS AT DISTRICT HEADQUARTER HOSPITAL, DERA ISMAIL KHAN. FMHR. 2025;3(4):325-330. Accessed June 26, 2025. https://fmhr.org/index.php/fmhr/article/view/410