title: Negative middle ear pressure and language development. Some observations.
mesh_terms: D000158:Acoustic Impedance Tests; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D004432:Ear, Middle / Q000503:physiopathology*; D006801:Humans; D007804:Language Development; D007806:Language Disorders / Q000209:etiology; D010033:Otitis Media / Q000150:complications; D011312:Pressure; D013060:Speech