Letter: Thrombogenicity of prosthetic valves.
D001672:Biocompatible Materials; D006350:Heart Valve Prosthesis / Q000009:adverse effects* / Q000592:standards; D006801:Humans; D010969:Plastics; D011474:Prosthesis Design / Q000592:standards; D013927:Thrombosis / Q000209:etiology* / Q000517:prevention & control
D001672:Biocompatible Materials; D010969:Plastics