PT - JOURNAL ARTICLE AU - John Chambers TI - Low “gradient”, low flow aortic stenosis AID - 10.1136/hrt.2005.079038 DP - 2006 Apr 01 TA - Heart PG - 554--558 VI - 92 IP - 4 4099 - http://heart.bmj.com/content/92/4/554.short 4100 - http://heart.bmj.com/content/92/4/554.full SO - Heart2006 Apr 01; 92