title: Influence of an oral decongestant on Eustachian tube function in children.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D004809:Ephedrine / Q000627:therapeutic use*; D005064:Eustachian Tube / Q000187:drug effects*; D006801:Humans; D007223:Infant; D010033:Otitis Media / Q000188:drug therapy*; D010919:Placebos; D011725:Pyridines / Q000627:therapeutic use*; D012130:Respiratory Hypersensitivity / Q000150:complications
chemical_list: D010919:Placebos; D011725:Pyridines; D004809:Ephedrine