@article{charalambous_ready_shelley_arzube_lowry_1993,  title={Cytological and isoenzyme analysis of the Bucay and Quevedo cytotypes of the onchocerciasis vector Simulium exiguum (Diptera: Simuliidae) in Ecuador},  volume={88},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761993000100008},  DOI={10.1590/S0074-02761993000100008},  number={1},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Charalambous, M. and Ready, P. D. and Shelley, A. J. and Arzube, M. and Lowry, C. A.},  year={1993},  month={Jan},  pages={39–48} }