FIG 1. Right vertebral venous valves (arrow) can be seen at the junction of the IJV, vertebral vein (VV), and brachiocephalic vein (BCV) under the B-mode image.
FIG 1. Right vertebral venous valves (arrow) can be seen at the junction of the IJV, vertebral vein (VV), and brachiocephalic vein (BCV) under the B-mode image.