NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,201 terms related to cancer and medicine.

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intervention group
(IN-ter-VEN-shun groop)
The group in a clinical research study that receives the drug, vaccine, or other intervention being tested. Interventions may also include medical procedures (such as radiation therapy and surgery), medical devices, behavior changes (such as diet and exercise), education programs, and counseling. Also called experimental group and investigational group.