ULTRASONIC EVALUATION OF CHOLELITHIASIS AND CHOLECYSTITIS: A COMPARATIVE STUDY BETWEEN MALE AND FEMALE PATIENTS AT DISTRICT HEADQUARTER HOSPITAL, DERA ISMAIL KHAN. Frontier in Medical and Health Research, [S. l.], v. 3, n. 4, p. 325–330, 2025. Disponível em: https://fmhr.org/index.php/fmhr/article/view/410.. Acesso em: 26 jun. 2025.