This single heart leaflet or cusp was used to replace or supplement a compromised natural leaflet. One, two or three leaflets could be surgically implanted. The leaflets were made of polypropylene ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is a prototype of an artificial ...

This paper reports the sequence of events in a patient with Marfan's syndrome who evidently acquired aortic insufficiency secondary to chest trauma and in whom a Hufnagel valve was inserted. A 33-year ...

So much in life is determined by being in the right place at the right time, and by being prepared and bold enough to seize opportunities as they present themselves. I was prepared in large part by ...