Managed care: practice parameters.
Nationwide Insurance Company, Columbus, OH  43216.
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Manton
D003254:Consumer Advocacy; D004059:Diffusion of Innovation; D006291:Health Policy; D006801:Humans; D008329:Managed Care Programs / Q000592:standards*; D017410:Practice Guidelines as Topic; D012308:Risk Management / Q000592:standards; D014481:United States; D014600:Utilization Review / Q000592:standards