"Frequency spectra of the first heart sound and of the aortic component of the second heart sound in patients with degenerated porcine bioprosthetic valves"@nl . "6695784" . . . "Frequency spectra of the first heart sound and of the aortic component of the second heart sound in patients with degenerated porcine bioprosthetic valves"@en . "Frequency spectra of the first heart sound and of the aortic component of the second heart sound in patients with degenerated porcine bioprosthetic valves"@en . "Frequency spectra of the first heart sound and of the aortic component of the second heart sound in patients with degenerated porcine bioprosthetic valves"@nl . "Frequency spectra of the first heart sound and of the aortic component of the second heart sound in patients with degenerated porcine bioprosthetic valves"@sq . . "Frequency spectra of the first heart sound and of the aortic component of the second heart sound in patients with degenerated porcine bioprosthetic valves"@en . . . "Frequency spectra of the first heart sound and of the aortic component of the second heart sound in patients with degenerated porcine bioprosthetic valves"@sq . . . "4" . . . "557-561" . . "D J Magilligan" . "wetenschappelijk artikel"@nl . . . . "53" . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u en febreru de 1984"@ast . "S R Kemp" . "Frequency spectra of the first heart sound and of the aortic component of the second heart sound in patients with degenerated porcine bioprosthetic valves"@nl . "im Februar 1984 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . . "P D Stein" . "article scientifique publi\u00E9 en 1984"@fr . . . "scientific article published on 01 February 1984"@en . . "J B Lakier" . . "Frequency spectra of the first heart sound and of the aortic component of the second heart sound in patients with degenerated porcine bioprosthetic valves"@sq . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0432 \u043B\u044E\u0442\u043E\u043C\u0443 1984"@uk . "1984-02-01T00:00:00Z"^^ . "H N Sabbah" . "Frequency spectra of the first heart sound and of the aortic component of the second heart sound in patients with degenerated porcine bioprosthetic valves"@en . . . "10.1016/0002-9149(84)90030-4" .