title: Case #6. Smokeless tobacco keratosis.
authors.affiliation: Department of Diagnostic Services, The Ohio State University College of Dentistry.
authors.forename: J I
authors.initials: JI
authors.lastname: Haring
mesh_terms: D006801:Humans; D007972:Leukoplakia, Oral / Q000175:diagnosis* / Q000209:etiology; D010947:Plants, Toxic; D014030:Tobacco, Smokeless / Q000009:adverse effects*