NIZAMI, Major Muhammad Asif; MIRZA, Shakeel Ahmed; KHAN, Farhat Ali. FREQUENCY OF VITAMIN B12 DEFICIENCY IN PATIENTS WITH HELICOBACTER PYLORI GASTRITIS: Vitamin B12 Deficiency. Pakistan Armed Forces Medical Journal, [S. l.], v. 62, n. 2, p. 203–5, 2012. Disponível em: https://pafmj.org/PAFMJ/article/view/1663. Acesso em: 12 may. 2024.