title: Early tymp tubes do not improve outcomes after 3+ years.
mesh_terms: D002657:Child Development; D002675:Child, Preschool; D006309:Hearing; D006801:Humans; D007223:Infant; D018730:Infant Behavior; D007361:Intelligence Tests; D008876:Middle Ear Ventilation; D010034:Otitis Media with Effusion / Q000601:surgery; D016032:Randomized Controlled Trials as Topic; D016037:Single-Blind Method; D013060:Speech; D013997:Time Factors; D016896:Treatment Outcome