title: Etiologic factors in secretory otitis.
authors.affiliation: ENT Department, Gentofte University Hospital, Hellerup, Denmark.
authors.forename: M
authors.initials: M
authors.lastname: Tos
mesh_terms: D000158:Acoustic Impedance Tests; D001424:Bacterial Infections / Q000150:complications; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D010034:Otitis Media with Effusion / Q000209:etiology*; D010035:Otitis Media, Suppurative / Q000150:complications; D011446:Prospective Studies; D012141:Respiratory Tract Infections / Q000150:complications