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Volume 52, Issue 12 , Pages 1137-1142, December 1999
Volume 52, Issue 12 , Pages 1137-1142, December 1999
A Comparison of Two Comorbidity Instruments in Arthritis
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PII: S0895-4356(99)00124-9
© 1999 Elsevier Science Inc. All rights reserved.
« PreviousNext »Journal of Clinical Epidemiology
Volume 52, Issue 12 , Pages 1137-1142, December 1999
Volume 52, Issue 12 , Pages 1137-1142, December 1999
