[The Duisburg croup study].
D000208:Acute Disease; D000393:Air Pollutants / Q000009:adverse effects*; D002648:Child; D003440:Croup / Q000209:etiology*; D004391:Dust / Q000009:adverse effects; D005860:Germany, West; D006801:Humans; D007827:Laryngitis / Q000209:etiology*; D008452:Maximum Allowable Concentration; D009589:Nitrogen Oxides / Q000009:adverse effects; D012306:Risk; D013458:Sulfur Dioxide / Q000009:adverse effects; D014887:Weather
D000393:Air Pollutants; D004391:Dust; D009589:Nitrogen Oxides; D013458:Sulfur Dioxide
Krupp-Studie Duisburg.