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