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No mechanism of the entire mammalian make-up has aroused more speculative interest among phsiologists and anatomists than that of the heart. With each succeeding generation there has come out some new device or method whereb greater knowledge of the heart's action could be obtained by the practicing physician. Thus have appeared in succession the stethoscope, blood-pressure apparatus, the art of percussion, the polygraph, and lastly the electrocardiograph; all serving to present to the physician new and better information in regard to the functional integrity of the cardiovascular system. So detailed and so complex has become the information about the heart
Applied Electrocardiography.. Ann Intern Med. 1929;3:509–510. doi: 10.7326/0003-4819-3-5-509
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Published: Ann Intern Med. 1929;3(5):509-510.
Cardiac Diagnosis and Imaging, Cardiology.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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