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Start Over You searched for: Collections Medicine in the Americas, 1610-1920 Remove constraint Collections: Medicine in the Americas, 1610-1920 Subjects Heart Rate -- physiology Remove constraint Subjects: Heart Rate -- physiology

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3. I. On the cause of the heart beat ; II. The recovery of the heart from fibrillary contractions ; III. Note on the relation between the beat of the ventricle and the flow of blood through the coronary arteries

5. A new form of piston recorder and some of the changes of the volume of the finger which it records