title: 'New' Aetna and Kaiser face future.
authors: F
authors: F
authors: Diamond
mesh_terms: D006269:Health Facilities, Proprietary; D006801:Humans; D007182:Income; D020407:Internet; D008329:Managed Care Programs / Q000191:economics / Q000458:organization & administration*; D015279:Organizational Culture; D009936:Organizational Innovation; D009937:Organizational Objectives; D009939:Organizations, Nonprofit; D010820:Physicians; D014481:United States