Graying America: demographic trends, health needs, and provider education.
D000368:Aged; D004508:Education, Nursing, Baccalaureate / Q000639:trends*; D005260:Female; D005851:Geriatric Nursing / Q000193:education*; D006301:Health Services Needs and Demand / Q000639:trends*; D006302:Health Services Research / Q000639:trends*; D006801:Humans; D008297:Male; D011157:Population Dynamics; D014481:United States