Hearing and speech at seven.
D000124:Achievement; D002648:Child; D005260:Female; D006311:Hearing Disorders / Q000150:complications / Q000453:epidemiology*; D006801:Humans; D008297:Male; D012572:School Health Services; D013064:Speech Disorders / Q000150:complications / Q000453:epidemiology*; D006113:United Kingdom