PT  - JOURNAL ARTICLE
AU  - Stables, R H
TI  - Observational research in the evidence based environment: eclipsed by the randomised controlled trial?
AID  - 10.1136/heart.87.2.101
DP  - 2002 Feb 01
TA  - Heart
PG  - 101--102
VI  - 87
IP  - 2
4099  - http://heart.bmj.com/content/87/2/101.short
4100  - http://heart.bmj.com/content/87/2/101.full
SO  - Heart2002 Feb 01; 87