Deafness and hearing impairment.
D012048:Correction of Hearing Impairment; D003638:Deafness / Q000175:diagnosis / Q000209:etiology / Q000517:prevention & control* / Q000534:rehabilitation; D014943:Global Health; D034381:Hearing Loss / Q000175:diagnosis / Q000209:etiology / Q000517:prevention & control* / Q000534:rehabilitation; D006801:Humans; D009313:National Health Programs / Q000458:organization & administration; D009937:Organizational Objectives; D019986:Persons with Hearing Disabilities / Q000534:rehabilitation; D012307:Risk Factors; D009626:Terminology as Topic; D014944:World Health Organization