Definition: A scientific study that compares a group of people with disease (such as leukemia) to a similar group of people without that disease. This type of study compares the levels of exposure (radiation or chemical) each group had before appearance of the disease.
Case Control Trial
From The National Institute for Occupational Safety and Health
Updated March 29, 2012
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
See More About:
From Other Guides
Explore Inflammatory Bowel Disease (IBD)
- About.com
- Health
- Inflammatory Bowel Disease (IBD)
- Caregivers
- Case Control Trial
