Umbilical port versus epigastric port for gallbladder retrieval in laparoscopic cholecystectomy: An intervention study. Asian Journal of Medical Sciences, [S. l.], v. 15, n. 12, p. 199–203, 2024. DOI: 10.3126/ajms.v15i12.67892. Disponível em: https://nepjol.info/index.php/AJMS/article/view/67892. Acesso em: 12 jul. 2026.