1. Retinopathy of prematurity-incidence today;A. Zin,2013
2. Twenty years of childhood blindness: what have we learnt?;C. Gilbert,2008
3. Prevalence of retinopathy of prematurity: an institutional cross-sectional study of preterm infants in Brazil;J. B. Fortes Filho,2009
4. Retinopathy of prematurity—epidemics, incidence, prevalence, blindness;K. Gergely,2010
5. Retinopathy of Prematurity: A Study of Prevalence and Risk Factors;A. H. A. A. Hakeem,2012