@article{usanmaz_2025,  title={Crimean-Congo hemorrhagic fever: serum neopterin levels and their relationship with clinical course},  volume={71},  ISSN={0104-4230},  url={https://doi.org/10.1590/1806-9282.20250488},  DOI={10.1590/1806-9282.20250488},  number={12},  journal={Revista da Associação Médica Brasileira},  publisher={Associação Médica Brasileira},  author={Usanmaz, Mustafa},  year={2025},  pages={e20250488} }