Hannan Ayub, Muhammad Zaid, Muhammad Saeed Siddiqui, Sana Javed. “Adherence on Recommended Guidelines for Pre-Operative Routine Investigations in ASA (American Society of Anaesthesiologists) Grade 1 and 2 by Anaesthesiologists Working at Tertiary Care Hospitals in the Province of Sindh”. Pakistan Journal of Medical & Health Sciences 16, no. 08 (September 20, 2022): 311. Accessed August 17, 2024. https://pjmhsonline.com/index.php/pjmhs/article/view/2369.