Harrison, W K Evaluation of subjective grading of ballistocardiograms and comparison with grading by digital computer. [electronic resource] - The Johns Hopkins medical journal Jan 1974 - 17-27 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0021-7263 Subjects--Topical Terms: AdultBallistocardiographyCarotid ArteriesComputersDiagnosis, Computer-AssistedEvaluation Studies as TopicFemaleHeart--physiologyHeart Diseases--diagnosisHeart RateHumansMaleMethodsMiddle AgedPulse