RT Journal Article SR Electronic T1 THE ECG MADE EASY. 2ND EDITION JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 252 OP 252 VO 31 IS 225 A1 Hall, S. A. YR 1981 UL http://bjgp.org/content/31/225/252.3.abstract AB