Ramírez, J. H.; Palacios, M.; Ocampo, H. H.; Zuluaga, C.; Gutiérrez, O. Lack of Association Between Blood Pressure, Target Organ Damage and Retinopathy in the L-NAME Rat Hypertension Model: Are New Animal Models of Hypertension required?. Colomb Med 2006, 37, 328-331.