Health research and national priorities.
D000163:Acquired Immunodeficiency Syndrome / Q000191:economics; D000544:Alzheimer Disease / Q000191:economics; D003731:Dental Caries / Q000191:economics / Q000517:prevention & control; D006801:Humans; D009316:National Institutes of Health (U.S.); D012106:Research; D012109:Research Support as Topic; D014481:United States