title: Oral tobacco use.
authors.forename: B F
authors.initials: BF
authors.lastname: Barker
authors.forename: G J
authors.initials: GJ
authors.lastname: Barker
mesh_terms: D006801:Humans; D010947:Plants, Toxic; D012907:Smoking / Q000523:psychology; D016540:Smoking Cessation / Q000379:methods; D014030:Tobacco, Smokeless / Q000009:adverse effects