Why Summary Comorbidity Measures Such As the Charlson Comorbidity Index and Elixhauser Score Work

Austin, Steven R. ; Wong, Yu-Ning ; Uzzo, Robert G. ; Beck, J. Robert ; Egleston, Brian L.

Medical care, 2015-09, Vol.53 (9), p.e65-e72 [Periódico revisado por pares]

United States: Lippincott Williams & Wilkins

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