Carlos, A. B. M., Costa, V. E., Kobayasi, R. and Rodrigues, M. A. M. (2022) “Prevalence of Helicobacter pylori infection among asymptomatic children in southeastern Brazil: a cross-sectional study”, São Paulo Medical Journal, 140(5), pp. 719–722. Available at: https://periodicosapm.emnuvens.com.br/spmj/article/view/1038 (Accessed: 14 March 2025).