Jiménez-Báez, María Valeria, Horacio Márquez-González, Rodolfo Bárcenas-Contreras, Carlos Morales-Montoya, and Laura Fátima García-Espinosa. 2015. “Early Diagnosis of Diabetic Retinopathy in Primary Care”. Colombia Medica 46 (1):14-18. https://doi.org/10.25100/cm.v46i1.1681.