A CROSS SECTIONAL STUDY OF CHOLELITHIASIS ON ULTRASOUND: ASSOCIATION WITH DEMOGRAPHIC AND RISK FACTORS. The Research of Medical Science Review, [S. l.], v. 4, n. 6, p. 1253–1268, 2026. Disponível em: https://medicalsciencereview.com/index.php/Journal/article/view/3921.. Acesso em: 1 jul. 2026.