M. Aslam, B. Aziz, T. Nazar, and A. Butt, “The Frequency of Upper Gastrointestinal Tract Disorders Detected Upon Endoscopic Gastric/Duodenal Biopsies in Patients with Iron Deficiency Anemia”, Esculapio - JSIMS, vol. 14, no. 2, pp. 113–116, Jul. 2023.