title: [Ultrastructural studies of retinopathy of premature infants].
mesh_terms: D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D012160:Retina / Q000648:ultrastructure*; D012178:Retinopathy of Prematurity / Q000473:pathology*