The role of viruses as a cause of human cancer has been investigated by a variety of techniques in recent years. While no definitive answer exists at present, several lines of evidence indicating a viral role in human tumors are reviewed. These include the well-documented role of viruses in causing animal tumors; evidence for an association of certain viruses with human tumors; and virally induced animal models of human tumors, melanoma, retinobla~toma, and ocular malignant melanoma.
- ocular tumor
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