PT - JOURNAL ARTICLE ED - , TI - Sale of anonymous prescription data breaches confidentiality DP - 1999 Aug 24 TA - Canadian Medical Association Journal PG - 364--364-b VI - 161 IP - 4 4099 - http://www.cmaj.ca/content/161/4/364.3.short 4100 - http://www.cmaj.ca/content/161/4/364.3.full SO - CMAJ1999 Aug 24; 161