Miranda ACP, Machado RS, Silva EMK da, Kawakami E. Seroprevalence of Helicobacter pylori infection among children of low socioeconomic level in São Paulo. Sao Paulo Med J [Internet]. 2010 Jul. 7 [cited 2025 Oct. 15];128(4):187-91. Available from: https://periodicosapm.emnuvens.com.br/spmj/article/view/1806