title: The Columbus quincentenary--500 years of expanding tobacco addiction.
authors.affiliation: Essential Health Research Group, Medical Research Council, Parowvallei.
authors.forename: D
authors.initials: D
authors.lastname: Yach
mesh_terms: D049670:History, 17th Century; D049673:History, 20th Century; D006801:Humans; D012907:Smoking / Q000639:trends; D000074606:Smoking Prevention; D014029:Tobacco Use Disorder / Q000266:history*