PT - JOURNAL ARTICLE AU - J. Genest TI - Clinical research DP - 1990 Sep 01 TA - Canadian Medical Association Journal PG - 383--387 VI - 143 IP - 5 4099 - http://www.cmaj.ca/content/143/5/383.short 4100 - http://www.cmaj.ca/content/143/5/383.full SO - CMAJ1990 Sep 01; 143