title: Chronic serous otitis media.
mesh_terms: D000233:Adenoidectomy / Q000379:methods; D002675:Child, Preschool; D004777:Environment; D005064:Eustachian Tube / Q000033:anatomy & histology / Q000254:growth & development; D006192:Haemophilus Infections / Q000150:complications; D006193:Haemophilus influenzae / Q000302:isolation & purification; D006801:Humans; D006967:Hypersensitivity / Q000150:complications; D007136:Immunoglobulins / Q000032:analysis; D007223:Infant; D010033:Otitis Media / Q000175:diagnosis*; D010034:Otitis Media with Effusion / Q000175:diagnosis* / Q000188:drug therapy / Q000209:etiology / Q000601:surgery; D013256:Steroids / Q000627:therapeutic use; D014068:Tonsillectomy / Q000379:methods
chemical_list: D007136:Immunoglobulins; D013256:Steroids