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FIG 3. M-mode recording of both the internal jugular venous valve and vertebral venous valve. Arrow 1, valve opening; arrow 2, valve closing; VV, vertebral vein; BCV, brachiocephalic vein.
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AJNR - American Journal of Neuroradiology
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FIG 3. M-mode recording of both the internal jugular venous valve and vertebral venous valve. Arrow 1, valve opening; arrow 2, valve closing; VV, vertebral vein; BCV, brachiocephalic vein.
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Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X