GUL, Rahim; ARIF, Muhammad; MANNAN, Pervez. Controlled Clinical Trial Comparing Early With Interval Cholecystectomy For Acute Cholecystitis. Journal of Postgraduate Medical Institute, [S. l.], v. 4, n. 1, 2011. Disponível em: https://www.jpmi.org.pk/index.php/jpmi/article/view/367. Acesso em: 9 oct. 2025.