title: Letter: The ideal artificial heart valve.
mesh_terms: D004388:Dura Mater / Q000637:transplantation*; D006350:Heart Valve Prosthesis; D006351:Heart Valves / Q000000981:diagnostic imaging; D006801:Humans; D011093:Polyethylene Terephthalates; D011859:Radiography; D014184:Transplantation, Homologous
chemical_list: D011093:Polyethylene Terephthalates