SCARBOROUGH, W R Ballistocardiography; appraisal of current status. [electronic resource] - Circulation Dec 1957 - 971-5 p. digital Publication Type: Journal Article ISSN: 0009-7322 Standard No.: 10.1161/01.cir.16.6.971 doi Subjects--Topical Terms: BallistocardiographyHumans