Channa, S., M. Faridi, S. Sameeuddin, and T. Maka. “COMPARISON OF TWO DIFFERENT SPINAL DOSES OF 0.75% BUPIVACAINE CAUSING MATERNAL HYPOTENSION IN ELECTIVE CAESAREAN SECTION”. Pakistan Armed Forces Medical Journal, Vol. 69, no. 5, Oct. 2019, pp. 1120-24, https://pafmj.org/index.php/PAFMJ/article/view/3425.