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| By | Healthwise Staff |
| Primary Medical Reviewer | E. Gregory Thompson, MD - Internal Medicine |
| Specialist Medical Reviewer | David A. Szalay, MD - Vascular Surgery |
| Last Revised | October 16, 2009 |
| By: | Healthwise Staff | Last Revised: October 16, 2009 |
| Medical Review: | E. Gregory Thompson, MD - Internal Medicine David A. Szalay, MD - Vascular Surgery | |
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