title: Tubal function in the glue ear: urea for glue ears.
mesh_terms: D003679:Deglutition; D005064:Eustachian Tube / Q000503:physiopathology*; D006025:Glycosaminoglycans / Q000032:analysis; D007136:Immunoglobulins / Q000032:analysis; D007267:Injections; D008851:Micropore Filters; D009093:Mucus / Q000187:drug effects; D010033:Otitis Media / Q000188:drug therapy / Q000276:immunology / Q000503:physiopathology*; D013242:Sterilization; D014508:Urea / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D014783:Viscosity
chemical_list: D006025:Glycosaminoglycans; D007136:Immunoglobulins; D014508:Urea