Journal article
Erratum: Letters, numbers, symbols and words - How to communicate grades of evidence and recommendations [editorial] (Canadian Medical Association Journal (2003) 169:7 (677-680))
Authors
Schünemann HJ; Best D; Vist G; Oxman AD
Journal
CMAJ Canadian Medical Association Journal, Vol. 170, No. 7,
Publication Date
March 30, 2004
ISSN
0820-3946