Preti, R. C., Saraiva, F., Trein Junior, J. A., Takahashi, W. Y., & Silva, M. E. R. da. (2007). How much information do medical practitioners and endocrinologists have about diabetic retinopathy? . Clinics, 62(3), 273-278. https://doi.org/10.1590/S1807-59322007000300011