@article{amaku_azevedo_castro_massad_coutinho_2009,  title={Relationship among epidemiological parameters of six childhood infections in a non-immunized Brazilian community},  volume={104},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02762009000600013},  DOI={10.1590/S0074-02762009000600013},  number={6},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Amaku, Marcos and Azevedo, Raymundo Soares and Castro, Ruy Morgado de and Massad, Eduardo and Coutinho, Francisco Antonio Bezerra},  year={2009},  month={Sep},  pages={897–900} }