J. Bastidas, E. Kattan, and . H. J. Lacassie, “Comments on ‘effective dose 50% (ED50) and effective dose 95% (ED95) of intrathecal bupivacaine in morbidly obese patients undergoing cesarean delivery’”, Colomb. J. Anesthesiol., vol. 44, no. 3, pp. 242–244, Jul. 2016.