title: U.S. probing Mich. merger.
mesh_terms: D004465:Economic Competition / Q000331:legislation & jurisprudence; D006268:Health Facilities / Q000331:legislation & jurisprudence*; D006273:Health Facility Merger / Q000331:legislation & jurisprudence*; D008824:Michigan; D014481:United States; D014485:United States Federal Trade Commission