Durand, L G [Spectrum analysis in phocardiography: advantages of new technics]. [electronic resource] - L'union medicale du Canada Jul 1979 - 835-8, 842-5 p. digital Publication Type: English Abstract; Journal Article ISSN: 0041-6959 Subjects--Topical Terms: ComputersHumansPhonocardiography--instrumentationSpectrum Analysis