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Clinical trial phase
- How Clinical Trials Work (National Heart, Lung, and Blood Institute)... or new approaches to surgery or radiation therapy. Clinical trial phases Researchers conduct clinical trials in a series of steps called phases. Each ...
- How Are Vaccines Tested? (National Institutes of Health)... video to learn how vaccines are tested in clinical trials, information on the different phases of clinical trials, and how the U.S. Food and Drug Administration ( ...