title: [Epidemiology of chronic bronchopulmonary diseases. III. Epidemiologic process: generating sources of aggression factors].
mesh_terms: D000293:Adolescent; D000328:Adult; D000397:Air Pollution; D002648:Child; D005260:Female; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000453:epidemiology* / Q000209:etiology; D008297:Male; D008875:Middle Aged; D012141:Respiratory Tract Infections / Q000150:complications; D012907:Smoking; D014507:Urbanization
vernacular_title: Epidemiologia bolilor bronhopulmonare cronice. III. Procesul epidemiologic: surse generatoare de factori de agresiune.