PT - JOURNAL ARTICLE AU - J. C. Edwards TI - Where is the evidence? DP - 1993 Feb 01 TA - Canadian Medical Association Journal PG - 374b--374 VI - 148 IP - 3 4099 - http://www.cmaj.ca/content/148/3/374b.short 4100 - http://www.cmaj.ca/content/148/3/374b.full SO - CMAJ1993 Feb 01; 148