1. ALSAADI, A, SEQUENTIAL CYTOGENETIC CHANGES IN EVOLUTION OFTRANSPLANTED THYROID TUMORS IN METASTATIC CARCINOMA IN FICHER RAT, CANCER RESEARCH 27: 1831 (1967).
2. AMES, B.N., SCIENCE 191: 241 (1976).
3. BOYSE, E.A., CURRENT RES ONCOLOGY: 57 (1972).
4. BIOLOGY CANCER 1974
5. Mutation selection and the natural history of cancer