No abstract available
MeSH terms
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Asthma / prevention & control
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Chronic Disease / prevention & control
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Developing Countries*
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Health Plan Implementation / organization & administration*
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Health Policy*
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Health Promotion / organization & administration*
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Humans
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Lung Diseases / prevention & control
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Prevalence
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Pulmonary Disease, Chronic Obstructive / prevention & control
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Respiration Disorders / epidemiology
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Respiration Disorders / prevention & control*
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World Health Organization