PT - JOURNAL ARTICLE AU - K. Cottrell TI - Feverfew products DP - 1997 Sep 01 TA - Canadian Medical Association Journal PG - 511--511 VI - 157 IP - 5 4099 - http://www.cmaj.ca/content/157/5/511.1.short 4100 - http://www.cmaj.ca/content/157/5/511.1.full SO - CMAJ1997 Sep 01; 157