@article{coelho_calestini_alvo_freitas_castro_konstantyner_2015,  title={Safety of human papillomavirus 6, 11, 16 and 18 (recombinant): systematic review and meta-analysis},  volume={33},  ISSN={0103-0582},  url={https://doi.org/10.1016/j.rpped.2015.02.006},  DOI={10.1016/j.rpped.2015.02.006},  number={4},  journal={Revista Paulista de Pediatria},  publisher={Sociedade de Pediatria de São Paulo},  author={Coelho, Pedro Luiz Spinelli and Calestini, Gustavo Lacerda da Silva and Alvo, Fernando Salgueiro and Freitas, Jefferson Michel de Moura and Castro, Paula Marcela Vilela and Konstantyner, Tulio},  year={2015},  month={Oct},  pages={474–482} }