Apples, oranges, forests, and trees.
Cushman
R
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University of Virginia, USA.
D015276:Health Care Rationing / Q000191:economics*; D006291:Health Policy / Q000191:economics*; D006801:Humans; D007349:Insurance, Health, Reimbursement / Q000191:economics* / Q000331:legislation & jurisprudence; D011057:Politics; D013673:Technology Assessment, Biomedical / Q000191:economics*; D014481:United States