SHER, Farrukh; ULLAH, Raja Sami; KHAN, Junaid; MANSOOR, Sahibzada Nasir; AHMED, Naseer. FREQUENCY OF DIFFERENT CAUSES OF UPPER GASTROINTESTINAL BLEEDING USING ENDOSCOPIC PROCEDURE AT A TERTIARY CARE HOSPITAL: Causes of Upper Gastrointestinal Bleeding. Pakistan Armed Forces Medical Journal, [S. l.], v. 64, n. 3, p. 410–3, 2014. Disponível em: https://pafmj.org/PAFMJ/article/view/924. Acesso em: 6 may. 2024.