PT - JOURNAL ARTICLE AU - J-Y Moon AU - D Choi AU - Y Jang TI - Retrograde coronary interventions of chronic total occlusions AID - 10.1136/hrt.2006.091520 DP - 2007 Feb 01 TA - Heart PG - 199--199 VI - 93 IP - 2 4099 - http://heart.bmj.com/content/93/2/199.short 4100 - http://heart.bmj.com/content/93/2/199.full SO - Heart2007 Feb 01; 93