title: [Artificial heart valve made from a Co-Cr-W-Ni-based alloy].
mesh_terms: D002858:Chromium Alloys; D006350:Heart Valve Prosthesis; D006801:Humans
chemical_list: D002858:Chromium Alloys
vernacular_title: Iskusstvennyĭ klapan serdtsa iz splava na osnove Co-Cr-W-Ni.