IQBAL, Umair. GANGRENOUS GASTRITIS: UNUSUAL CAUSE OF UPPER GI BLEEDING. Journal of Ayub Medical College Abbottabad, [S. l.], v. 31, n. 4, p. 634–635, 2019. Disponível em: https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/1969. Acesso em: 14 mar. 2025.