Dewita, M., Syarif, B., & Sastroasmoro, S. (2010). Evaluation of Bio M pylori serologic test and C-13 urea breath test for H. pylori infection in children with recurrent abdominal pain: a pilot study. Paediatrica Indonesiana, 50(2), 101-104. https://doi.org/10.14238/pi50.2.2010.101-104