Ahmad, Farooq, Muhammad Zahid Khan, Bilal Ahmed, Niamat Ullah, Muhammad Asghar, and Hamid Habib. 2011. “ETIOLOGYAND THE ROLE OF PROCTOSIGMOIDOSCOPY IN PATIENTS WITH ACUTE BLOODY DIARRHEAS”. Journal of Postgraduate Medical Institute 24 (3). https://www.jpmi.org.pk/index.php/jpmi/article/view/1070.