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. Author manuscript; available in PMC: 2011 Mar 1.
Published in final edited form as: J Stroke Cerebrovasc Dis. 2010 Mar;19(2):153–162. doi: 10.1016/j.jstrokecerebrovasdis.2010.01.001

Figure 1.

Figure 1

Credentialing process used to identify stent operators approved for the lead-in (n=238) and randomized (n=224) phases of CREST.