Total arthroplasty versus hemiarthroplasty for glenohumeral osteoarthritis: Role of provider volume

A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation

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Adapting a clinical comorbidity index for use with ICD-9-CM administrative databases

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Hospital Volume and Surgical Mortality in the United States

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Medicine, Surgery, General Surgery +15

Association Between Hospital and Surgeon Procedure Volume and Outcomes of Total Hip Replacement in the United States Medicare Population*

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Total shoulder arthroplasty with the Neer prosthesis.

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Medicine, Orthopaedic Surgery, Orthopedic Surgery +9