NCI begins overhaul of late-stage cancer trials.
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D002986:Clinical Trials as Topic / Q000592:standards*; D006801:Humans; D015337:Multicenter Studies as Topic / Q000592:standards*; D009316:National Institutes of Health (U.S.); D009367:Neoplasm Staging; D009369:Neoplasms / Q000473:pathology* / Q000628:therapy*; D014481:United States