NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,079 terms related to cancer and medicine.
- listen (ee-FAH-vih-renz)
- A drug used with other drugs to treat infection with the human immunodeficiency virus (HIV). It blocks HIV from making copies of itself. It is a type of non-nucleoside reverse transcriptase inhibitor and a type of antiviral agent. Also called Sustiva.