title: COMBINED ANALOG-DIGITAL PROCESSING OF CARDIOGRAMS.
mesh_terms: D000703:Analog-Digital Conversion; D003201:Computers; D003202:Computers, Analog; D004562:Electrocardiography; D001330:Electronic Data Processing; D006801:Humans; D009930:Organic Chemicals
chemical_list: D009930:Organic Chemicals
keywords: ANALOG-DIGITAL CONVERSION; AUTOMATIC DATA PROCESSING; COMPUTERS, ANALOG; COMPUTERS, DIGITAL; ELECTROCARDIOGRAPHY