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Results 1 - 4 of 4 for phase
  1. How Clinical Trials Work Video From the National Institutes of Health (National Heart, Lung, and Blood Institute)  
    ... approaches to surgery or radiation therapy. Clinical trial phases Researchers conduct clinical trials in a series of steps called phases. Each phase has a different purpose and helps ...
    https://www.nhlbi.nih.gov/research/clinical-trials/how-studies-work - Videos
  2. Breathing Video 
    ... breathing, or respiration, is divided into two distinct phases. The first phase is called inspiration, or inhaling. When the lungs ... rushes in and fills the lungs. The second phase is called expiration, or exhaling. When the lungs ...
    https://medlineplus.gov/ency/anatomyvideos/000018.htm -
  3. How Are Vaccines Tested? Video From the National Institutes of Health (National Institutes of Health)  
    ... tested in clinical trials, information on the different phases of clinical trials, and how the U.S. Food ...
    https://www.nlm.nih.gov/oet/ed/ceal/how-are-vaccines-tested.html - Videos
  4. Heart Valve Surgery Recovery and Follow Up Video (American Heart Association)  
    ... surgery. Days and weeks following surgery During this phase, people can expect to gradually regain energy and ...
    https://www.heart.org/.../heart-valve-surgery-recovery-and-follow-up - Videos