@article{berezin_2012,  title={Vacinas pneumocócicas e pneumonias},  volume={88},  ISSN={0021-7557},  url={https://doi.org/10.2223/JPED.2171},  DOI={10.2223/JPED.2171},  number={1},  journal={Jornal de Pediatria},  publisher={Sociedade Brasileira de Pediatria},  author={Berezin, Eitan Naaman},  year={2012},  month={Jan},  pages={97–98} }