[Social significance and etiological factors of the bronchitic syndrome].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000397:Air Pollution; D001824:Body Constitution; D001991:Bronchitis / Q000150:complications / Q000453:epidemiology / Q000209:etiology / Q000235:genetics / Q000401:mortality / Q000628:therapy; D002980:Climate; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009790:Occupations; D012621:Seasons; D012737:Sex Factors; D012907:Smoking; D012959:Socioeconomic Factors
Soziale Bedeutung und Gestaltungsfaktoren des "Bronchitischen Syndroms".