title: [An application of digital filter for extraction of characteristic patterns from cardiac sounds].
mesh_terms: D000328:Adult; D001022:Aortic Valve Insufficiency / Q000503:physiopathology; D003201:Computers; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000503:physiopathology; D008946:Mitral Valve Stenosis / Q000503:physiopathology; D010701:Phonocardiography