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. Author manuscript; available in PMC: 2016 Apr 25.
Published in final edited form as: J Vasc Surg. 2015 Oct 1;63(1):89–97. doi: 10.1016/j.jvs.2015.08.068

Fig 6.

Fig 6

Relationship between utilization of carotid revascularization procedures (either endarterectomy or stenting) and number of cardiologists (each per 1000 Medicare beneficiaries). Reported by hospital referral region (HRR).