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Journal of Clinical Epidemiology
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.
« Previous
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Journal of Clinical Epidemiology
Volume 52, Issue 12
, Pages
1137-1142
, December 1999
