RT Journal Article SR Electronic T1 Alcohol rivals tobacco for health impact: WHO JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1778 OP 1778-a DO 10.1503/cmaj.1040787 VO 170 IS 12 A1 Brad Mackay YR 2004 UL http://www.cmaj.ca/content/170/12/1778.2.abstract