title: Long-term assessment of ventilation tubes.
mesh_terms: D000293:Adolescent; D000399:Air Pressure; D002465:Cell Movement; D002648:Child; D002675:Child, Preschool; D004427:Ear Diseases / Q000628:therapy*; D004432:Ear, Middle; D004848:Epithelium / Q000502:physiology; D006801:Humans; D007223:Infant; D007440:Intubation / Q000295:instrumentation; D011183:Postoperative Complications / Q000517:prevention & control; D014432:Tympanic Membrane / Q000502:physiology