Chandra, Alka, Vijay Thakur, Nikhil Bhasin, and Dheeraj Gupta. “The Role of Pre-Operative Investigations in Relatively Healthy General Surgical Patients- a Retrospective Study”. Anaesthesia, Pain & Intensive Care (January 29, 2019): 241-244. Accessed November 22, 2024. https://apicareonline.com/index.php/APIC/article/view/432.