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Fernando HC, Stein M, Benfield JR, Link DP.Fernando HC, et al.Arch Surg. 1998 Aug;133(8):862-6. doi: 10.1001/archsurg.133.8.862.Arch Surg. 1998.PMID: 9711960
Stein M, Link DP.Stein M, et al.J Vasc Interv Radiol. 1999 Mar;10(3):363-71. doi: 10.1016/s1051-0443(99)70044-8.J Vasc Interv Radiol. 1999.PMID: 10102204Clinical Trial.