1971 White House Conference on aging.
D000368:Aged; D000375:Aging; D003695:Delivery of Health Care; D006281:Health Occupations / Q000193:education; D006280:Health Workforce; D006311:Hearing Disorders / Q000453:epidemiology; D006801:Humans; D007806:Language Disorders / Q000453:epidemiology; D012106:Research; D013064:Speech Disorders / Q000453:epidemiology; D014481:United States