Pre-school children with impaired hearing in Göteborg 1964-1980.
D000367:Age Factors; D001298:Audiology / Q000379:methods; D002662:Child Health Services; D002675:Child, Preschool; D005260:Female; D006311:Hearing Disorders / Q000175:diagnosis / Q000453:epidemiology; D006320:Hearing Tests / Q000379:methods; D006771:Hospitals, Maternity; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008403:Mass Screening; D011247:Pregnancy; D012054:Reinforcement, Psychology; D012119:Respiration; D012306:Risk; D013548:Sweden