ABBAS, H. T. Geographic variation in management of gall-stones. Karbala Journal of Medicine, [S. l.], v. 14, n. 1, p. 2481–2487, 2021. Disponível em: https://journals.uokerbala.edu.iq/index.php/kj/article/view/833. Acesso em: 1 may. 2024.