NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,179 terms related to cancer and medicine.

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valacyclovir
(VAL-uh-SY-kloh-veer)
A substance that is being studied in the prevention of fungal, bacterial, and viral infections in patients undergoing donor stem cell transplantation with cells that are infected with cytomegalovirus. It belongs to the family of drugs called antivirals.