title: Employers' and purchasers' roles in smoking cessation.
authors.affiliation: Preventive Health Services, Chevron Corporation, San Francisco, California 94105, USA.
authors.forename: D
authors.initials: D
authors.lastname: Whitehead
mesh_terms: D004651:Employment; D017408:Guidelines as Topic; D006279:Health Maintenance Organizations; D006282:Health Personnel; D006293:Health Promotion; D006801:Humans; D012907:Smoking / Q000191:economics; D016540:Smoking Cessation; D000074606:Smoking Prevention