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Doppler Duplex Ultrasonography
Vascular Surgical Procedures
Blood Vessel Prosthesis Implantation
Reoperation
Limb Salvage
Angioplasty
Vascular Patency
Retrospective Studies
Risk Factors
Treatment Outcome
Time Factors
Risk Assessment
Multivariate Analysis
Graft Occlusion, Vascular
Peripheral Vascular Diseases
Ischemia
Oregon
Veins
Leg
Life Tables
Co-Publications
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