Dr. Prabhdeep Singh Nain, Singh K, Matta H, Bansal A. 2019. “Laparoscopic Cholecystectomy in Complicated Acute Cholecystitis : Risk Factors and Outcome”. The Indian Practitioner 68 (5), 25-28. https://articles.theindianpractitioner.com/index.php/tip/article/view/615.