title: Calcification of prosthetic valve anuli: a late complication of cardiac valve replacement.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001021:Aortic Valve / Q000601:surgery; D002114:Calcinosis / Q000000981:diagnostic imaging / Q000209:etiology*; D005260:Female; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery; D011093:Polyethylene Terephthalates; D011138:Polytetrafluoroethylene; D011183:Postoperative Complications; D011859:Radiography; D013537:Sutures; D013997:Time Factors
chemical_list: D011093:Polyethylene Terephthalates; D011138:Polytetrafluoroethylene