title: American Cancer Society cancer prevention study reactivated.
mesh_terms: D000397:Air Pollution; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000517:prevention & control; D009369:Neoplasms / Q000517:prevention & control*; D012907:Smoking; D012955:Societies, Medical; D014397:Tuberculosis, Pulmonary