title: Pitfalls of measuring smoking status.
authors.forename: G
authors.initials: G
authors.lastname: Gill
authors.forename: I
authors.initials: I
authors.lastname: MacFarlane
authors.forename: A
authors.initials: A
authors.lastname: Ismail
mesh_terms: D017954:Africa South of the Sahara / Q000453:epidemiology; D002248:Carbon Monoxide / Q000378:metabolism*; D006801:Humans; D012680:Sensitivity and Specificity; D012907:Smoking / Q000453:epidemiology / Q000378:metabolism*
chemical_list: D002248:Carbon Monoxide