@article{abreu_abreu_1973,  title={Inhibitory effect of cyclophosphamide on the biosynthesis of a perchloro-soluble protein fraction of ehrlich ascites carcinoma cells},  volume={71},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761973000300007},  DOI={10.1590/S0074-02761973000300007},  number={4},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Abreu, R. Raposo and Abreu, Luiz A.},  year={1973},  pages={439–442} }