Esparza-Olalla, J. E., Forero-Lugo, F. C. and Mardones-Montanares, M. A. (2020) “Use of organophosphates by farmers in the community of Guaslán- Ecuador and hematological changes”, Ciencia y Agricultura, 17(1), pp. 31–50. doi: 10.19053/01228420.v17.n1.2020.10603.