[Electron microscopic studies on retinoblastoma].
D002675:Child, Preschool; D005134:Eye Neoplasms / Q000473:pathology*; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008854:Microscopy, Electron; D012175:Retinoblastoma / Q000473:pathology*