“Threshold Age for Doing Upper Gastrointestinal Tract Endoscopy to Screen Early Gastric Carcinoma of Bangladeshi Dyspeptic Patients: 40 years vs. 60 years”, Mugda Med. Coll. J., vol. 5, no. 1, pp. 1–2, Jan. 2022, doi: 10.3329/mumcj.v5i1.71291.