7Paramei OV, Sidorenko EI. Relationship between perinatal pathology and refractogenesis,incidence and type of ocular diseases in children. Vestn Oftalmol, 1999,115 (6) :32- 41.
8Jalali S, Anand R, Kumar H, et al. Programme planning and screening strategy in retinopathy of prematurity. Indian J Ophthalmol,2003, 51(1) :89 - 99.
9Fledelius HC,Kjer B. Surveillence for retinopathy of prematurity in a Danish country:epidemiological experience over 20 years. Acta Ophathalmol Scand, 2004, 82 (1):38-41.
10Kim TI, Sohn J, Pi SY, et al. Postnatal risk factors of retinopathy of prematurity. Paediatr Perinat Epidemiol, 2004,18(2) : 130 - 134.