Rahman, Md Siddiqur, et al. “Role of Ephedrine and Epinephrine in the Management of Hypotension After Sub-Arachnoid Block (SAB) in Caesarean Section”. Journal of the Bangladesh Society of Anaesthesiologists, vol. 30, no. 2, Aug. 2017, pp. 53-65, doi:10.3329/jbsa.v30i2.66228.