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Fig. 5. Diagram of the movement of the body on a HF table, or on any other immobile surface, when a force applied headward or footward is suddenlv released.
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Content maybe subject to copyright
Journal Article
•
DOI
•
A comparison between ultralow-frequency ballistocardiograms and those secured by an improved high-frequency technique, with studies to explain remaining differences.
[...]
Isaac Starr
1
,
Abraham Noordergraaf
2
•
Institutions (2)
University of Pennsylvania
1
,
Utrecht University
2
01 Jul 1962
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American Heart Journal