title: Relationships between the quantitative ballistocardiographic characteristics and the functional indices at graduated work load.
mesh_terms: D001450:Ballistocardiography; D001835:Body Weight; D002648:Child; D006321:Heart / Q000502:physiology*; D006801:Humans; D008297:Male; D010101:Oxygen Consumption; D005082:Physical Exertion