Retrolental fibroplasia; incidence in different localities in recent years and a correlation of the incidence with treatment given the infants.
D004194:Disease; D006801:Humans; D015994:Incidence; D007223:Infant; D007231:Infant, Newborn; D007908:Lens, Crystalline; D012178:Retinopathy of Prematurity
LENS, CRYSTALLINE/diseases