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Ultrasonography studies of sheep implanted with experimental vascular grafts. (a) Patency of vascular grafts (%) at different timepoints following implantation into the carotid artery of sheep. Note that GORE-TEX® and PHBV/PCL-GFmix are not shown because their patency was 0% during the entire study. (b) Representative ultrasonography images of sheep’ carotid arteries after graft implantation. Red areas indicate the blood flow.
