Shakil Jawed, Shaikh Md Nafis Jahangir and Imdadul Haque 2024. Umbilical port versus epigastric port for gallbladder retrieval in laparoscopic cholecystectomy: An intervention study. Asian Journal of Medical Sciences. 15, 12 (Dec. 2024), 199–203. DOI:https://doi.org/10.3126/ajms.v15i12.67892.