PT - JOURNAL ARTICLE AU - Pearson, H. E. S. AU - Gerlis, L. M. TI - A QUANTITATIVE ELECTROCARDIOGRAPHIC METHOD AID - 10.1136/hrt.7.4.173 DP - 1945 Oct 01 TA - British Heart Journal PG - 173--179 VI - 7 IP - 4 4099 - http://heart.bmj.com/content/7/4/173.short 4100 - http://heart.bmj.com/content/7/4/173.full SO - Heart1945 Oct 01; 7