Detection of Helicobacter pylori Infection by Helicobacter pylori IgG Serology Test in Pediatric Patients at the Philippine General Hospital. Acta Med Philipp [Internet]. 2023 Jan. 31 [cited 2025 Jun. 23];57(1). Available from: https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/4843