Hearing sensitivity and ear disease in children: a prospective study.
D001309:Auditory Threshold; D002648:Child; D002675:Child, Preschool; D004427:Ear Diseases / Q000175:diagnosis* / Q000453:epidemiology; D005064:Eustachian Tube / Q000503:physiopathology; D005163:Factor Analysis, Statistical; D006311:Hearing Disorders / Q000175:diagnosis* / Q000453:epidemiology / Q000517:prevention & control; D006320:Hearing Tests; D006801:Humans; D008297:Male; D010033:Otitis Media / Q000175:diagnosis; D010414:Pennsylvania; D011446:Prospective Studies; D044469:Racial Groups; D012572:School Health Services; D012737:Sex Factors; D014432:Tympanic Membrane / Q000293:injuries