Differential diagnosis of retinoblastoma. A statistical survey of 500 children. II. Factors relating to the diagnosis of retinoblastoma.
D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005134:Eye Neoplasms / Q000175:diagnosis*; D006801:Humans; D012175:Retinoblastoma / Q000175:diagnosis*