., Major Sajid Munir, et al. “COMPARISON OF EPHEDRINE VERSUS FLUID PRELOAD IN PREVENTION OF HYPOTENSION AFTER SPINAL ANAESTHESIA FOR CAESAREAN SECTION: Spinal Anaesthesia”. Pakistan Armed Forces Medical Journal, vol. 63, no. 1, Mar. 2013, pp. 105-8, https://pafmj.org/PAFMJ/article/view/2181.