[Thrombosed Björk-Shiley's artificial aortic valve].
D001021:Aortic Valve / Q000601:surgery*; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013927:Thrombosis / Q000209:etiology*
Trombóza aortální Björkovy-Shileyho protézy.