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. 1977:301:297-309.
doi: 10.1111/j.1749-6632.1977.tb38208.x.

Noninvasive analysis of cardiac function of elite distance runners--echocardiography, vectorcardiography, and cardiac intervals

R H Underwood, J L Schwade

Noninvasive analysis of cardiac function of elite distance runners--echocardiography, vectorcardiography, and cardiac intervals

R H Underwood et al. Ann N Y Acad Sci. 1977.
No abstract available

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