PT  - JOURNAL ARTICLE
ED  - ,
TI  - Purpose and procedure
AID  - 10.1136/ebm.14.3.65
DP  - 2009 Jun 01
TA  - Evidence Based Medicine
PG  - 65--65
VI  - 14
IP  - 3
4099  - http://ebm.bmj.com/content/14/3/65.short
4100  - http://ebm.bmj.com/content/14/3/65.full
SO  - Evid Based Med2009 Jun 01; 14