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Is Volume Related to Outcome in Health Care? A Systematic Review and Methodologic Critique of the Literature
Ethan A. Halm, MD, MPH; Clara Lee, MD, MPP; Mark R. Chassin, MD, MPP, MPH
Annals of Internal Medicine 2002;137:511-520.
doi:10.7326/0003-4819-137-6-200209170-00012
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