A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation
Mary E. CharlsonClinical Epidemiology Unit, Department of Medicine, Cornell University Medical College, 1300 York Avenue, New York, NY 10021, U.S.APeter PompeiClinical Epidemiology Unit, Department of Medicine, Cornell University Medical College, 1300 York Avenue, New York, NY 10021, U.S.AKathy L. AlešClinical Epidemiology Unit, Department of Medicine, Cornell University Medical College, 1300 York Avenue, New York, NY 10021, U.S.AC. Ronald MacKenzieClinical Epidemiology Unit, Department of Medicine, Cornell University Medical College, 1300 York Avenue, New York, NY 10021, U.S.A
1987en
ABI
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