Grommets and glue ears: two-year results.
D001299:Audiometry; D001309:Auditory Threshold; D002648:Child; D002675:Child, Preschool; D002921:Cicatrix / Q000473:pathology; D004322:Drainage / Q000295:instrumentation*; D006801:Humans; D010033:Otitis Media / Q000473:pathology / Q000601:surgery*; D014432:Tympanic Membrane / Q000473:pathology / Q000601:surgery