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Journal of Clinical Epidemiology
Volume 52, Issue 2
, Pages 137-142
, February 1999
A Comparison of the Charlson Comorbidity Index Derived from Medical Record Data and Administrative Billing Data
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PII: S0895-4356(98)00154-1
© 1999 Elsevier Science Inc. All rights reserved.
« Previous
Next »
Journal of Clinical Epidemiology
Volume 52, Issue 2
, Pages 137-142
, February 1999
