[Pseudocroup: Duisburg study].
D000397:Air Pollution / Q000009:adverse effects*; D002675:Child, Preschool; D003440:Croup / Q000209:etiology*; D004391:Dust / Q000009:adverse effects; D005860:Germany, West; D006801:Humans; D007223:Infant; D007827:Laryngitis / Q000209:etiology*; D011446:Prospective Studies; D012141:Respiratory Tract Infections / Q000209:etiology; D012931:Social Environment; D013458:Sulfur Dioxide / Q000009:adverse effects
D004391:Dust; D013458:Sulfur Dioxide
Pseudokrupp: Duisburger Studie.