(Q47626882)
Statements
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Common comorbidity scales were similar in their ability to predict health care costs and mortality (English)
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Anthony J Perkins
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Kurt Kroenke
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Jürgen Unützer
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Wayne Katon
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John W Williams
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Carol Hope
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Christopher M Callahan
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1 October 2004
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57
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10
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1040-1048
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