PT  - JOURNAL ARTICLE
AU  - S Frank
AU  - A Johnson
AU  - J Ross, Jr
TI  - Natural history of valvular aortic stenosis.
AID  - 10.1136/hrt.35.1.41
DP  - 1973 Jan 01
TA  - British Heart Journal
PG  - 41--46
VI  - 35
IP  - 1
4099  - http://heart.bmj.com/content/35/1/41.short
4100  - http://heart.bmj.com/content/35/1/41.full
SO  - Heart1973 Jan 01; 35