[National registration of retinoblastoma children in 1975 (author's transl)].
D002675:Child, Preschool; D005134:Eye Neoplasms / Q000453:epidemiology* / Q000235:genetics; D006801:Humans; D007223:Infant; D007564:Japan; D012042:Registries; D012175:Retinoblastoma / Q000453:epidemiology* / Q000235:genetics