RT Journal Article SR Electronic T1 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 JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 521 OP 538 VO 148 IS 4 YR 1993 UL http://www.cmaj.ca/content/148/4/521.abstract