@article{entringer_pinto_gomes_2018,  title={Cost-effectiveness analysis of natural birth and elective C-section in supplemental health},  volume={52},  ISSN={0034-8910},  url={https://doi.org/10.11606/S1518-8787.2018052000373},  DOI={10.11606/S1518-8787.2018052000373},  journal={Revista de Saúde Pública},  publisher={Faculdade de Saúde Pública da Universidade de São Paulo},  author={Entringer, Aline Piovezan and Pinto, Márcia and Gomes, Maria Auxiliadora de Souza Mendes},  year={2018},  pages={91} }