[Epidemiology of chronic respiratory tract diseases in childhood].
Wunderlich
P
P
D002648:Child; D003430:Cross-Sectional Studies; D005859:Germany, East; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000453:epidemiology* / Q000209:etiology; D012307:Risk Factors
Epidemiologie chronischer Atemwegserkrankungen in der Kindheit.