@article{belfort_braga_2003,  title={Doença trofoblástica gestacional recorrente},  volume={25},  ISSN={0100-7203},  url={https://doi.org/10.1590/S0100-72032003000100009},  DOI={10.1590/S0100-72032003000100009},  number={1},  journal={Revista Brasileira de Ginecologia e Obstetrícia},  publisher={Federação Brasileira das Sociedades de Ginecologia e Obstetrícia},  author={Belfort, Paulo and Braga, Antônio},  year={2003},  month={Feb},  pages={61–66} }