title: Come together. PPOs combine to do battle with big insurers.
authors.forename: V
authors.initials: V
authors.lastname: Galloro
mesh_terms: D006269:Health Facilities, Proprietary / Q000458:organization & administration; D006273:Health Facility Merger; D007484:Iowa; D009329:Nebraska; D011243:Preferred Provider Organizations / Q000458:organization & administration*; D013023:South Dakota