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Josephson, D G; Grana, J R; Hanchak, N A
The New England journal of medicine, 12/1997, Letnik: 337, Številka: 25Journal Article
To the Editor: We have major questions about the methods and conclusions of Morgan et al. (July 17 issue) 1 in their study of the Medicare–health maintenance organization (HMO) revolving door. The authors admit that the study area, southern Florida, is unique, having “more Medicare beneficiaries than each of 35 states, one of the nation's highest per capita health care costs, and the nation's second highest Medicare capitated rate.” Nevertheless, the authors generalize their results to the whole nation without reservation or qualification — a serious leap of faith and lapse of judgment. In addition, the authors excluded Medicare recipients who . . .
