id	keyword
ajod-974	hearing
ajod-974	children
ajod-974	speech
ajod-974	impairment
ajod-974	study
ajod-974	school
ajod-974	classroom
ajod-974	test
ajod-974	noise
ajod-974	interventions
ajod-974	hearing impairment
ajod-974	sound
ajod-974	health