NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,176 terms related to cancer and medicine.
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- Simian virus 40. A virus that infects some types of monkeys. It may also infect humans, and was found in some polio vaccines tested in the early 1960s. Although the virus has been shown to cause cancer in laboratory animals, there is no evidence that it causes cancer in people. Also called simian virus 40.