title: An article of change.
authors.forename: Robert
authors.initials: R
authors.lastname: Neil
mesh_terms: D016363:Antitrust Laws; D004864:Equipment and Supplies / Q000600:supply & distribution; D017754:Group Purchasing / Q000191:economics / Q000331:legislation & jurisprudence*; D019981:Health Care Sector / Q000331:legislation & jurisprudence*; D007221:Industry / Q000191:economics; D011057:Politics; D014481:United States