PT  - JOURNAL ARTICLE
AU  - Holger J. Schünemann
AU  - Dana Best
AU  - Gunn Vist
AU  - Andrew D. Oxman
TI  - Grading evidence
AID  - 10.1503/cmaj.1040014
DP  - 2004 Mar 16
TA  - Canadian Medical Association Journal
PG  - 929--930
VI  - 170
IP  - 6
4099  - http://www.cmaj.ca/content/170/6/929.short
4100  - http://www.cmaj.ca/content/170/6/929.full
SO  - CMAJ2004 Mar 16; 170