Medicare coverage group assesses effectiveness of new technologies.
Newman
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D000368:Aged; D015179:Colorectal Neoplasms / Q000000981:diagnostic imaging / Q000191:economics*; D006801:Humans; D006278:Medicare; D011859:Radiography; D014055:Tomography, Emission-Computed / Q000191:economics; D014481:United States; D014483:United States Dept. of Health and Human Services