
doi: 10.1007/bf02474824
pmid: 5981588
The physical basis of ballistocardiography has now been thoroughly investigated and there is general agreement that the ultra-low frequency system is the most satisfactory. The physiological basis of ballistocardiography and its clinical application require further study. For this purpose a reliable instrument which can be easily operated and calibrated is needed.
Ballistocardiography
Ballistocardiography
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