Darnindro, Nikko, Ari F Syam, Achmad Fauzi, and Cleopas M Rumende. “Seroprevalence and Socio-Demographic Factors of Helicobacter Pylori Infection in Patients With Dyspepsia in Kalibaru Primary Health Care North Jakarta”. Acta Medica Indonesiana 47, no. 4 (December 1, 2015). Accessed April 17, 2026. http://www.actamedindones.org/index.php/ijim/article/view/21.