title: Tobacco-free in 2009.
authors: DAKOTACARE, USA.
authors: Trisha
authors: T
authors: Thunker
mesh_terms: D006801:Humans; D007348:Insurance, Health; D009786:Occupational Health Services / Q000191:economics / Q000379:methods*; D012907:Smoking / Q000009:adverse effects; D016540:Smoking Cessation; D012955:Societies, Medical; D013023:South Dakota