<unk><unk>  can be prevented by<unk> g exposure to common risk factors, loud noise, ototoxic drugs, and trauma.
Hearing impairment primary prevention
Hearing impairment future or investigational therapies
Cerebral palsy primary prevention
Hearing impairment medical therapy
Mental retardation medical therapy
Cerebral palsy medical therapy
Hearing impairment social impact
Hearing impairment cost-effectiveness of therapy