title: [Cause of increased airway resistance in childhood].
mesh_terms: D000367:Age Factors; D000403:Airway Resistance / Q000187:drug effects; D001827:Body Height; D001835:Body Weight; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D009241:Ipratropium; D008297:Male
chemical_list: D009241:Ipratropium
vernacular_title: Zur Ursache des erhöhten Atemwegswiderstandes im Kindesalter.