@article{cooper_proaño_beltran_anselmi_guderian_1996,  title={Onchocerciasis in Ecuador: changes in prevalence of ocular lesions in Onchocerca volvulus infected individuals over the period 1980-1990},  volume={91},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761996000200004},  DOI={10.1590/S0074-02761996000200004},  number={2},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Cooper, Philip J and Proaño, Roberto and Beltran, Carlos and Anselmi, Mariela and Guderian, Ronald H},  year={1996},  month={Mar},  pages={153–158} }