title: Alfred Knudson: two hits times 25 years.
authors.forename: B
authors.initials: B
authors.lastname: Kuska
mesh_terms: D005134:Eye Neoplasms / Q000235:genetics*; D016161:Genes, Retinoblastoma / Q000235:genetics; D016147:Genes, Tumor Suppressor / Q000235:genetics*; D006801:Humans; D009154:Mutation; D009369:Neoplasms / Q000235:genetics / Q000503:physiopathology*; D012175:Retinoblastoma / Q000235:genetics*