PT - JOURNAL ARTICLE ED - , TI - Too much of a good thing DP - 1997 Oct 01 TA - Canadian Medical Association Journal PG - 866--866 VI - 157 IP - 7 4099 - http://www.cmaj.ca/content/157/7/866.3.short 4100 - http://www.cmaj.ca/content/157/7/866.3.full SO - CMAJ1997 Oct 01; 157