Ali, Dr Muhammad, et al. “COMPARISON OF THE HEMODYNAMIC EFFECTS OF LATERAL AND SITTING POSITIONS DURING INDUCTION OF SPINAL ANAESTHESIA FOR CAESAREAN SECTION USING HYPERBARIC BUPIVACAINE: Hemodynamic Effects of Spinal Anaesthesia”. Pakistan Armed Forces Medical Journal, vol. 68, no. 1, Feb. 2018, pp. 45-49, https://pafmj.org/PAFMJ/article/view/1563.