GUPTA, A.; GUPTA, J. K.; JHOBTA, R. S.; MAHAJAN, A. Comparison between single incision laparoscopic cholecystectomy using conventional laparoscopic instruments vs. four port laparoscopic cholecystectomy in patients of symptomatic cholelithiasis: a prospective randomised study. International Surgery Journal, [S. l.], v. 10, n. 8, p. 1325–1331, 2023. DOI: 10.18203/2349-2902.isj20232328. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/9772. Acesso em: 20 feb. 2026.