Viral transformation of cells from persons at high risk of cancer.

Adult Carcinogens Cell Transformation, Neoplastic Child Chromosome Aberrations/complications Chromosome Disorders Culture Techniques Disease Susceptibility Down Syndrome/complications Environmental Exposure Fanconi Syndrome/complications Fibroblasts/cytology Humans Immunity Immunologic Deficiency Syndromes/complications Klinefelter Syndrome/complications Leukemia/etiology,genetics Lymphoma/etiology,genetics Mosaicism Neoplasms/etiology,genetics Oncogenic Viruses Radiation Genetics Simian virus 40 Trisomy Xeroderma Pigmentosum/complications

Carcinogens