Fleming A, Goatman KA, Sharp PF, Styles CJ, Wikes WN, Olson JA. A large scale validation of automated grading. Eur J Ophthalmol. 2009 May 1;19(3):504.
Brotons C, Rivero E, Perich RM. Hypercholesterolemia in childhood and adolescence. Fmc - Formacion Medica. 1994;4:231-7.