PT - JOURNAL ARTICLE ED - , TI - Periodic health examination, 1993 update: 2. Lowering the blood total cholesterol level to prevent coronary heart disease. Canadian Task Force on the Periodic Health Examination DP - 1993 Feb 15 TA - Canadian Medical Association Journal PG - 521--538 VI - 148 IP - 4 4099 - http://www.cmaj.ca/content/148/4/521.short 4100 - http://www.cmaj.ca/content/148/4/521.full SO - CMAJ1993 Feb 15; 148