synapse.koreamed.org · 2014-10-11 · — the korean circulation journal : vol. 15, no. avr 2,...
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- synapse.koreamed.org · 2014-10-11 · — The Korean Circulation Journal : Vol. 15, No. aVR 2, 1985 — aVL aVF 7:2. Fig. 1. Electrocardiogram showing normal rhythm, left axis deviation,
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