@article{kawakami_machado_ogata_langner_2008,  title={Decrease in prevalence of Helicobacter pylori infection during a 10-year period in Brazilian children},  volume={45},  ISSN={0004-2803},  url={https://doi.org/10.1590/S0004-28032008000200011},  DOI={10.1590/S0004-28032008000200011},  number={2},  journal={Arquivos de Gastroenterologia},  publisher={Instituto Brasileiro de Estudos e Pesquisas de Gastroenterologia e Outras Especialidades - IBEPEGE. },  author={Kawakami, Elisabete and Machado, Rodrigo Strehl and Ogata, Silvio Kazuo and Langner, Marini},  year={2008},  month={Apr},  pages={147–151} }