Front Cover; Advances in Cancer Research, Volume 34; Copyright Page; Contents; Contributors to Volume 34; Chapter 1. The Transformation of Cell Growth and Transmogrification of DNA Synthesis by Simian Virus 40; Chapter 2. Immunologic Mechanisms in UV Radiation Carcinogenesis; Chapter 3. The Tumor Dormant State; Chapter 4. Marker Chromosome 14q+ in Human Cancer and Leukemia; Chapter 5. Structural Diversit among Retroviral Gene Products: A Molecular Approach to the Study of Biological Function through Structural Variability.