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Results 1 - 3 of 3 for Biological
  1. Mitral Valve Disease Video (Society of Thoracic Surgeons)  
    ... for mitral valve replacement—mechanical valves (metal) or biological valves (tissue). The principal advantage of mechanical valves ... small risk of stroke due to blood clotting. Biological valves usually are made from animal tissue. Biological ...
  2. Aortic Valve Disease Video (Society of Thoracic Surgeons)  
    ... aortic valve replacement (AVR) – mechanical valves (metal) or biological valves (tissue). The principal advantage of mechanical valves ... have to have their blood levels checked regularly. Biological valves are most commonly made from animal tissue. ...
  3. Know Your Treatment Options for COVID-19 Video (Food and Drug Administration)  
    ... the development and availability of therapeutic drugs and biological products to prevent or treat COVID-19. The ...