HIGH PREVALENCE OF VITAMIN B12 DEFICIENCY IN HELICOBACTER PYLORI-POSITIVE DYSPEPTIC PATIENTS: A CROSS-SECTIONAL STUDY FROM A LOW-INCOME SETTING. FMHR. 2025;3(3):216-224. Accessed August 7, 2026. https://fmhr.net/index.php/fmhr/article/view/230