Iqbal, Saleem, Chaudhry Amjad Ali, and Sarfraz Khan Janjua. 2015. “ROLE OF PRELOADING WITH AND WITHOUT INTRAMUSCULAR EPHEDRINE TO PREVENT POST SPINAL HYPOTENSION IN ELDERLY PATIENTS: Post Spinal Hypotension in Elderly Patients”. Pakistan Armed Forces Medical Journal 65 (2): 184-88. https://pafmj.org/PAFMJ/article/view/748.