TY - JOUR T1 - CHARLES HERAPATH JF - British Heart Journal JO - Heart SP - 80 LP - 80 DO - 10.1136/hrt.9.2.80 VL - 9 IS - 2 AU - C. Bruce Perry Y1 - 1947/04/01 UR - http://heart.bmj.com/content/9/2/80.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -