title: [THE CONNECTING PROCESS IN FILTERS FOR PHONOCARDIOGRAPHY].
mesh_terms: D003201:Computers; D003202:Computers, Analog; D005374:Filtration; D006801:Humans; D007287:Inorganic Chemicals; D010701:Phonocardiography
chemical_list: D007287:Inorganic Chemicals
keywords: COMPUTERS, ANALOG; COMPUTERS, DIGITAL; FILTRATION; PHONOCARDIOGRAPHY
vernacular_title: DER SCHALTVORGANG IN FILTERN FUER PHONOKARDIOGRAPHIE.