title: Ethnic differences in nicotine exposure.
authors.forename: W J
authors.initials: WJ
authors.lastname: McCarthy
authors.forename: N H
authors.initials: NH
authors.lastname: Caskey
authors.forename: M E
authors.initials: ME
authors.lastname: Jarvik
mesh_terms: D003367:Cotinine / Q000097:blood; D006801:Humans; D009538:Nicotine / Q000378:metabolism; D044469:Racial Groups; D012907:Smoking / Q000208:ethnology* / Q000378:metabolism
chemical_list: D009538:Nicotine; D003367:Cotinine