A simple laboratory method for reduction of rhythm and rate in large-scale monitoring of electrocardiogram. NASA TN D-4751.
D000337:Aerospace Medicine; D003201:Computers; D004562:Electrocardiography; D001330:Electronic Data Processing; D006339:Heart Rate; D006801:Humans; D008722:Methods; D008991:Monitoring, Physiologic; D013637:Tape Recording