title: Changing the rules. As smaller GPOs customize, the big boys take notice.
authors.forename: Cinda
authors.initials: C
authors.lastname: Becker
mesh_terms: D017754:Group Purchasing / Q000191:economics / Q000639:trends*; D019981:Health Care Sector / Q000639:trends; D009518:New York; D011682:Purchasing, Hospital / Q000191:economics / Q000639:trends*; D012954:Societies, Hospital; D014481:United States