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Wennberg JE, Fisher ES, Skinner JS.Wennberg JE, et al. Among authors: fisher es.Health Aff (Millwood). 2002 Jul-Dec;Suppl Web Exclusives:W96-114. doi: 10.1377/hlthaff.w2.96.Health Aff (Millwood). 2002.PMID: 12703563