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2. Radiation induced neoplasia following external beam therapy for children with retinoblastoma;Sagerman, R.; Cassady, JR, Tretter; P, Ellsworth; R.M.;A J R
3. Retinoblastoma: epidemiologic characteristics;Jensen, R.D.; Miller, R.W.;N Engl J Med,1971
4. Second cancers in retinoblastoma;Strong, L.C.; Knudson, A.G.;Lancet,1973
5. Pleiotropic effects of the gene for retinoblastoma;Kitchin, F.D.; Ellsworth, R.M.;J Med Genet,1974