Aggarwal, Lokesh Kumar, Govind Goyal, and Narendra Singh Tomar. “Comparing Cholecystectomy in Patients With Chronic Obstructive Pulmonary Disease under Spinal Anaesthesia and General Anaesthesia”. International journal of health sciences 6, no. S3 (May 21, 2022): 7055–7062. Accessed June 13, 2026. https://sciencescholar.us/journal/index.php/ijhs/article/view/7640.