title: Pan American Health Organization and World Health Organization: concerns regarding tobacco use.
mesh_terms: D016902:Air Pollution, Indoor / Q000009:adverse effects; D000569:Americas / Q000453:epidemiology; D019049:Developed Countries; D003906:Developing Countries; D006801:Humans; D007390:International Agencies / Q000458:organization & administration*; D029424:Pulmonary Disease, Chronic Obstructive / Q000453:epidemiology / Q000209:etiology*; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects*; D014028:Tobacco Smoke Pollution / Q000009:adverse effects; D014944:World Health Organization / Q000458:organization & administration
chemical_list: D014028:Tobacco Smoke Pollution