PT  - JOURNAL ARTICLE
AU  - Tevaarwerk, Gerald J.M.
TI  - Grading evidence
AID  - 10.1503/cmaj.1031694
DP  - 2004 Mar 16
TA  - Canadian Medical Association Journal
PG  - 928--929
VI  - 170
IP  - 6
4099  - http://www.cmaj.ca/content/170/6/928.short
4100  - http://www.cmaj.ca/content/170/6/928.full
SO  - CMAJ2004 Mar 16; 170