Cellular and Molecular Mechanisms Involved in Multistage Skin Carcinogenesis; Pathology of Human and Experimental Skin Tumors; Epidemiology of Human Malignant Skin Tumors with Special Reference to Natural and Artificial Ultraviolet Radiation Exposures; PUVA and the Induction of Skin Cancer; Human Melanoma Xenografts; Immunodiagnostic and Immunotherapeutic Applications of Anti-Human Melanoma Associated Antigen Monoclonal Antibodies; Chromosome Alterations in Human Malignant Melanoma; Genetic Background and Development of Skin Tumors; Development of Murine Skin Neoplasia Studied with Enzymes Used as Cell Markers; The Premalignant Nature of Mouse Skin Papillomas: Histopathologic, Cytogenetic, and Biochemical Evidence; The Action of Oncogenes and Growth Factors in Tumor Initiation and Promotion; Keratin Expression in Mouse Epidermal Tumors; Immunology of Murine Skin Cancers; Radiation Induced Cancer in Rat Skin; Ultraviolet Radiation Induced Skin Cancer; Investigation of Multistage Carcinogenesis, Applications of In Vitro - In Vivo Studies; The Transformation of Human Epidermal Keratinocytes by Carcinogens and Viruses In Vitro; Tumor Progression in Melanoma, The Biology of Epidermal Melanocytes In Vitro.

Tumor Promotion, the Search for the Necessary and Sufficient; Mechanisms of Carcinogenesis Using Mouse Skin, the Multistage Assay Revisited; Variable Potential for Malignant Conversion of Papillomas Induced by Initiation Promotion Protocols; the Conversion Step of Multistage Tumorigenesis in NMRI-Mouse Skin; Genetic Factors Controlling Susceptibility to Skin Tumor Promotion in Mice; Liver Tumor Promotion Mechanisms Revealed by Orotic Acid; Quantitative Studies on Multistage Hepatocarcinogenesis in the Rat; Chemical and Oncogene Modulation of Gap Junctional Intercellular Communication; Disruption of Cell-Cell Channels as an Event Common to the Potential Mechanism of Action of Some Chemicals with Teratogenic and Carcinogenic Activity; the Role of Selective Junctional Communication in Cell Transformation; Inhibition of Metabolic Cooperation in V79 Cells Potential Correlations with Tumor Promotion; Detection of Neoplasm Promoters in the Hepatocyte/Liver Epithelial Cell System. Papers from a conference held at Research Triangle Park, North Carolina, September 8-10, 1986.