Wu, G.; Weiter, J. J.; Santos, S.; Ginsburg, L.; Villalobos, R. (November 1990). "The macular photostress test in diabetic retinopathy and age-related macular degeneration". Archives of Ophthalmology. 108 (11): 1556–1558. doi:10.1001/archopht.1990.01070130058030. ISSN0003-9950. PMID2244839.
Wu, G.; Weiter, J. J.; Santos, S.; Ginsburg, L.; Villalobos, R. (November 1990). "The macular photostress test in diabetic retinopathy and age-related macular degeneration". Archives of Ophthalmology. 108 (11): 1556–1558. doi:10.1001/archopht.1990.01070130058030. ISSN0003-9950. PMID2244839.
Wu, G.; Weiter, J. J.; Santos, S.; Ginsburg, L.; Villalobos, R. (November 1990). "The macular photostress test in diabetic retinopathy and age-related macular degeneration". Archives of Ophthalmology. 108 (11): 1556–1558. doi:10.1001/archopht.1990.01070130058030. ISSN0003-9950. PMID2244839.