title: The top exchange rate. GHX dominates as multivendor purchasing portal.
authors.forename: Shawn
authors.initials: S
authors.lastname: Rhea
mesh_terms: D004865:Equipment and Supplies, Hospital / Q000600:supply & distribution*; D017754:Group Purchasing / Q000191:economics*; D019981:Health Care Sector / Q000458:organization & administration*; D020407:Internet; D008421:Materials Management, Hospital / Q000191:economics*; D014481:United States