Short Term Outcomes after Elective Gastrointestinal Surgery in Octogenarians: A Retrospective Matched Cohort Study. Journal of Institute of Medicine Nepal, [S. l.], v. 47, n. 1, p. 33–38, 2025. DOI: 10.59779/jiomnepal.1351. Disponível em: https://jiomnepal.edu.np/index.php/jiomnepal/article/view/1351.. Acesso em: 20 jul. 2025.