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 [Internet]. 2022 Sep. 20 [cited 2024 Sep. 27];16(08):311. Available from: https://pjmhsonline.com/index.php/pjmhs/article/view/2369