[Current pseudocroup studies in Northern Rhine and Westphalia].
D000393:Air Pollutants / Q000009:adverse effects*; D001991:Bronchitis / Q000209:etiology; D002648:Child; D003440:Croup / Q000209:etiology*; D004391:Dust / Q000009:adverse effects; D005860:Germany, West; D006801:Humans; D007827:Laryngitis / Q000209:etiology*; D008137:Longitudinal Studies; D008452:Maximum Allowable Concentration; D009585:Nitrogen Dioxide / Q000009:adverse effects; D012306:Risk; D012905:Smog / Q000009:adverse effects*; D013458:Sulfur Dioxide / Q000009:adverse effects; D013696:Temperature; D014887:Weather
D000393:Air Pollutants; D004391:Dust; D012905:Smog; D013458:Sulfur Dioxide; D009585:Nitrogen Dioxide
Laufende Pseudo-Krupp-Studien in Nordrhein-Westfalen.