Shastry BS, Pendergast SD, Hartzer MK, Liu X, Trese MT (May 1997). "Identification of missense mutations in the Norrie disease gene associated with advanced retinopathy of prematurity". Archives of Ophthalmology. 115 (5): 651–655. doi:10.1001/archopht.1997.01100150653015. PMID9152134.
Committee for the Classification of Retinopathy of Prematurity (August 1984). "An international classification of retinopathy of prematurity. The Committee for the Classification of Retinopathy of Prematurity". Archives of Ophthalmology. 102 (8): 1130–1134. doi:10.1001/archopht.1984.01040030908011. PMID6547831.
Limburg H, Gilbert C, Hon DN, Dung NC, Hoang TH (February 2012). "Prevalence and causes of blindness in children in Vietnam". Ophthalmology. 119 (2): 355–361. doi:10.1016/j.ophtha.2011.07.037. PMID22035577.
Shastry BS, Pendergast SD, Hartzer MK, Liu X, Trese MT (May 1997). "Identification of missense mutations in the Norrie disease gene associated with advanced retinopathy of prematurity". Archives of Ophthalmology. 115 (5): 651–655. doi:10.1001/archopht.1997.01100150653015. PMID9152134.
Committee for the Classification of Retinopathy of Prematurity (August 1984). "An international classification of retinopathy of prematurity. The Committee for the Classification of Retinopathy of Prematurity". Archives of Ophthalmology. 102 (8): 1130–1134. doi:10.1001/archopht.1984.01040030908011. PMID6547831.
Limburg H, Gilbert C, Hon DN, Dung NC, Hoang TH (February 2012). "Prevalence and causes of blindness in children in Vietnam". Ophthalmology. 119 (2): 355–361. doi:10.1016/j.ophtha.2011.07.037. PMID22035577.