Zeeshan Razzaq, , Usman Ismat Butt, Asad Ali Too, Zeeshan Razzaq, Muhammad Waris Farooka, Shazia Noreen, Abeeda Butt, Henry Paul Redmond, Asad Ali Toor, Zeeshan Razzaq, Muhammad Waris Farooka, Shazia Noreen, Abeeda Butt, Henry Paul Redmond. (2018) GALLSTONE ILEUS WITH CHOLECYSTO-DUODENAL FISTULA IN AN ELDERLY MALE , , Volume 30, Issue 4.