TY - JOUR T1 - An introduction to electrocardiography JF - The Journal of the College of General Practitioners JO - J Coll Gen Pract SP - 248 LP - 248 VL - 13 IS - 2 A2 - , Y1 - 1967/03/01 UR - http://bjgp.org/content/13/2/248.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -