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pro vyhledávání: '"J. E. Barnhill"'
Autor:
S. C. Gundersen, David Robertson, Renu Virmani, Albert K. Dawson, Raphael F. Smith, John P. Wikswo, Rose Marie Robertson, J. E. Barnhill
Publikováno v:
Circulation. 71:901-911
We made continuous electrocardiographic recordings on magnetic tape during 15 episodes of ischemia in five patients with variant angina to determine the characteristics of the QRS changes. Orthogonal leads were used and the electrocardiograms were an