@article{lopes_coelho_meirelles_branquinha_vermelho_1999,  title={Extracellular serine-proteinases isolated from Streptomyces alboniger: Partial characterization and effect of aprotinin on cellular structure},  volume={94},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761999000600010},  DOI={10.1590/S0074-02761999000600010},  number={6},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Lopes, Andréa and Coelho, Rosalie RR and Meirelles, Maria Nazareth L and Branquinha, Marta Helena and Vermelho, Alane Beatriz},  year={1999},  month={Nov},  pages={763–770} }