PT - JOURNAL ARTICLE ED - , TI - Some natural scepticism about the Natural Health Products Directorate DP - 2001 Mar 06 TA - Canadian Medical Association Journal PG - 613--613 VI - 164 IP - 5 4099 - http://www.cmaj.ca/content/164/5/613.short 4100 - http://www.cmaj.ca/content/164/5/613.full SO - CMAJ2001 Mar 06; 164