Study of Pre-loading and Vasoconstrictors as Combined Prophylaxis for Hypotension During Sub-Arachnoid Anaesthesia: Editor’s Note: This article has been retracted as of January 2026 as it is out of scope. IJPHRD [Internet]. 2023 Mar. 15 [cited 2026 May 17];14(2):34-9. Available from: https://medicopublication.com/index.php/ijphrd/article/view/19063