PT  - JOURNAL ARTICLE
ED  - ,
TI  - Purpose and procedure
AID  - 10.1136/ebm.11.5.129
DP  - 2006 Oct 01
TA  - Evidence Based Medicine
PG  - 129--129
VI  - 11
IP  - 5
4099  - http://ebm.bmj.com/content/11/5/129.short
4100  - http://ebm.bmj.com/content/11/5/129.full
SO  - Evid Based Med2006 Oct 01; 11