Gul, R., Arif, M. and Mannan, P. (2011) “Controlled Clinical Trial Comparing Early With Interval Cholecystectomy For Acute Cholecystitis”, Journal of Postgraduate Medical Institute, 4(1). Available at: https://jpmi.org.pk/index.php/jpmi/article/view/367 (Accessed: 21 November 2024).