BIN-GADEEM, F. H. Laparoscopic cholecystectomy for gallbladder stone disease:preoperative factors associated with difficult operations. University of Aden Journal of Natural and Applied Sciences, [S. l.], v. 25, n. 1, p. 179–186, 2021. DOI: 10.47372/uajnas.2021.n1.a15. Disponível em: https://uajnas.adenuniv.com/index.php/uajnas/article/view/116. Acesso em: 9 may. 2024.