PT - JOURNAL ARTICLE AU - A. S. Kraus TI - Should trends be reported? DP - 1990 Apr 15 TA - Canadian Medical Association Journal PG - 801b--801 VI - 142 IP - 8 4099 - http://www.cmaj.ca/content/142/8/801b.short 4100 - http://www.cmaj.ca/content/142/8/801b.full SO - CMAJ1990 Apr 15; 142