PT - JOURNAL ARTICLE AU - Miettinen, O. S. TI - Evidence in medicine: invited commentary DP - 1998 Jan 27 TA - Canadian Medical Association Journal PG - 215--221 VI - 158 IP - 2 4099 - http://www.cmaj.ca/content/158/2/215.short 4100 - http://www.cmaj.ca/content/158/2/215.full SO - CMAJ1998 Jan 27; 158