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FIG 2. Digital subtraction angiograms show different stages of the embolization procedure in a femoral artery.
A, Injection begins as a drop of the glue mixture forms at the catheter tip.
B, Midway through the embolization procedure, the glue mixture penetrates the ultrasonic beam of the flow probe.
C, Glue mixture has completely polymerized, leading to flow cessation in the artery.
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