PT - JOURNAL ARTICLE AU - D. Evan Bedford TI - CHARLES LAUBRY AID - 10.1136/hrt.3.3.145 DP - 1941 Jul 01 TA - British Heart Journal PG - 145--146 VI - 3 IP - 3 4099 - http://heart.bmj.com/content/3/3/145.short 4100 - http://heart.bmj.com/content/3/3/145.full SO - Heart1941 Jul 01; 3