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MedicineOrthopaedic SurgeryOrthopedic SurgeryHospital AdministrationMedicare PolicyOrthopedicsHip ArthroplastyKnee ArthroplastyMortality In HospitalsMortality RatesOrthopaedic ComplicationsPatient Volume RedistributionPostoperative Mortality
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Choice Reviews Online · 1990 · 35.7K citations
Lawrence L. Kupper, David W. Hosmer, Stanley Lemeshow · Journal of the American Statistical Association · 1990 · 7.7K citations
Should Operations Be Regionalized?
Harold S. Luft, John P. Bunker, Alain C. Enthoven · New England Journal of Medicine · 1979 · 1.8K citations