Borgerson, Kirstin2013-08-232013-08-232009-SprinBorgerson, Kirstin. 2009. "VALUING EVIDENCE: bias and the evidence hierarchy of evidence-based medicine." Perspectives in Biology & Medicine 52(2): 218-233. Copyright © 2009 The Johns Hopkins University Press. This article first appeared in Perspectives in Biology & Medicine 52(2), Spring 2009, pages 218-233.00315982http://hdl.handle.net/10222/35695http://dx.doi.org/10.1353/pbm.0.0086No abstract available.VALUING EVIDENCE: bias and the evidence hierarchy of evidence-based medicineText522218