García-Serrano, J.L., Serrano-Laborda, D., López-Pozas, M., Cabello-Aparicio, C. and Castro-Rosales, L. (2007) The Granada diabetic retinopathy study: Direct screening of 8,244 patients. I Arch Soc Esp Oftalmol, 82(11), 681-689.

has been cited by the following article: