title: Is degenerative calcification of the native aortic valve similar to calcification of bioprosthetic heart valves?
authors.forename: Tirone E
authors.initials: TE
authors.lastname: David
authors.forename: Joan
authors.initials: J
authors.lastname: Ivanov
mesh_terms: D001021:Aortic Valve / Q000473:pathology*; D001705:Bioprosthesis; D002114:Calcinosis; D006349:Heart Valve Diseases / Q000473:pathology*; D006350:Heart Valve Prosthesis; D006801:Humans; D011475:Prosthesis Failure; D012044:Regression Analysis; D012307:Risk Factors