RT Journal Article SR Electronic T1 Periodic health examination, 1990 update: 2. Early detection of depression and prevention of suicide. Canadian Task Force on the Periodic Health Examination JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1233 OP 1238 VO 142 IS 11 YR 1990 UL http://www.cmaj.ca/content/142/11/1233.abstract