PT - JOURNAL ARTICLE AU - M. O. Vincent TI - Where is the evidence? DP - 1992 Jul 15 TA - Canadian Medical Association Journal PG - 147--148 VI - 147 IP - 2 4099 - http://www.cmaj.ca/content/147/2/147.short 4100 - http://www.cmaj.ca/content/147/2/147.full SO - CMAJ1992 Jul 15; 147