TY - JOUR T1 - D. Evan Bedford. JF - British Heart Journal JO - Heart SP - 820 LP - 822 DO - 10.1136/hrt.40.7.820 VL - 40 IS - 7 AU - W Somerville Y1 - 1978/07/01 UR - http://heart.bmj.com/content/40/7/820.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -