@article{beverley_petrillo-peixoto_1988,  title={Naturally-occurring gene amplifications conferring drug resistance in Leishmania Tarentolae},  volume={83},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761988000500017},  DOI={10.1590/S0074-02761988000500017},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Beverley, Stephen M. and Petrillo-Peixoto, Maria},  year={1988},  month={Nov},  pages={330–333} }