Congress probes MD-industry payments.
D003132:Commerce / Q000331:legislation & jurisprudence*; D004864:Equipment and Supplies; D005607:Fraud / Q000331:legislation & jurisprudence / Q000517:prevention & control*; D006801:Humans; D007373:Interinstitutional Relations; D010820:Physicians / Q000191:economics*; D011057:Politics; D014481:United States