Kiros, Yazezew Kebede, Beniam Tsegay, and Hagos Abreha. 2017. “ENDOSCOPIC AND HISTOPATHOLOGICAL CORRELATION OF GASTROINTESTINAL DISEASES IN AYDER REFERRAL HOSPITAL, MEKELLE UNIVERSITY, NORTHERN ETHIOPIA”. Ethiopian Medical Journal 55 (4). https://emjema.org/index.php/EMJ/article/view/480.