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

Mary E. Charlson(NewYork–Presbyterian Hospital), Peter Pompei(NewYork–Presbyterian Hospital), Kathy L. Aleš(NewYork–Presbyterian Hospital), C. Ronald MacKenzie(NewYork–Presbyterian Hospital)
Journal of Chronic Diseases
January 1, 1987
10.1016/0021-9681(87)90171-8
Cited by 49,698

Abstract

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