TY - JOUR T1 - World's doctors unite behind antitobacco manifesto JF - Canadian Medical Association Journal JO - CMAJ SP - 211 LP - 211-b VL - 168 IS - 2 AU - Barbara Sibbald Y1 - 2003/01/21 UR - http://www.cmaj.ca/content/168/2/211.3.abstract ER -