RT Journal Article SR Electronic T1 Mongolia: proportion of tobacco tax for health JF Tobacco Control JO Tob Control FD BMJ Publishing Group Ltd SP 294 OP 295 VO 16 IS 5 A1 Wilson, Nick A1 Gombojav, Tsetsegdary YR 2007 UL http://tobaccocontrol.bmj.com/content/16/5/294.2.abstract AB