Shaikh, Jan Muhammad, et al. “ACID ASPIRATION PROPHYLAXIS DURING ANAESTHESIA FOR CAESAREAN SECTION: A SURVEY AMONG ANAESTHETISTS AT HYDERABAD”. Journal of Ayub Medical College Abbottabad, vol. 21, no. 4, Dec. 2009, pp. 87-89, https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/3152.