Adrianzén, Rosa Elena, Miguel Rioja, and Alberto Manrique. “Frequency and Severity of Diabetic Retinopathy in Patients With Type 2 Diabetes Mellitus at the Regional Institute of Ophthalmology”. Revista Peruana de Medicina Experimental y Salud Pública 36, no. 2 (June 28, 2019): 260–4. Accessed December 26, 2024. https://rpmesp.ins.gob.pe/index.php/rpmesp/article/view/4076.