![](https://webarchive.library.unt.edu/eot2008/20081107125845im_/http://www.cancer.gov/images/spacer.gif) |
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![](https://webarchive.library.unt.edu/eot2008/20081107125845im_/http://www.cancer.gov/images/spacer.gif)
| A clinical study that includes a comparison (control) group. The comparison group receives a placebo, another treatment, or no treatment at all. |
Previous Definitions: | contraindication, contralateral, contrast material, control animal, control group | Next Definitions: | controlled low-voltage electrical stimulation, controlled study, conventional medicine, conventional therapy, conventional treatment |
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