@article{lopez_silva_2024,  title={Are Ministerial Gates Closed? Party Politicization and Fractionalization in the Federal Political Bureaucracy (1999-2018)},  volume={18},  ISSN={1981-3821},  url={https://doi.org/10.1590/1981-3821202400030002},  DOI={10.1590/1981-3821202400030002},  number={3},  journal={Brazilian Political Science Review},  publisher={Associação Brasileira de Ciência Política},  author={Lopez, Felix and Silva, Thiago Moreira da},  year={2024},  pages={e0002} }