Researchers fret over neglect of 600 million patients.
Gibbons
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D003140:Communicable Disease Control / Q000191:economics*; D003141:Communicable Diseases / Q000191:economics / Q000401:mortality*; D006801:Humans; D009316:National Institutes of Health (U.S.); D012109:Research Support as Topic; D014330:Tropical Medicine / Q000191:economics*; D014481:United States; D014944:World Health Organization