Sultan, Syed, et al. “CHOLEDOCHODUODENOSTOMY: A VIABLE AND SAFE PROCEDURE IN PATIENTS WITH OBSTRUCTIVE JAUNDICE”. Journal of Ayub Medical College Abbottabad, vol. 8, no. 1, Feb. 1996, pp. 48-50, https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/4779.