Letter: Use of Gore-Tex for heart valves.
D001672:Biocompatible Materials; D006350:Heart Valve Prosthesis / Q000009:adverse effects / Q000592:standards*; D006801:Humans; D011138:Polytetrafluoroethylene; D011474:Prosthesis Design; D013927:Thrombosis / Q000209:etiology / Q000517:prevention & control*
D001672:Biocompatible Materials; D011138:Polytetrafluoroethylene