Perveen I, Saha M, Hasan MQ. Is There Decreasing Prevalence of Helicobacter Pylori Infection in Patients with Dyspepsia?. J Chittagong Med Coll Teachers Ass [Internet]. 2022 Jun. 30 [cited 2024 Jul. 17];33(1):97-102. Available from: https://banglajol.info/index.php/JCMCTA/article/view/67265