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FIG 4. A and B, Venous phase of a conventional intra-arterial catheter angiogram clearly shows flow within the nondominant transverse sinus (A, arrow), whereas corresponding MR venogram (B) shows a flow gap
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FIG 4. A and B, Venous phase of a conventional intra-arterial catheter angiogram clearly shows flow within the nondominant transverse sinus (A, arrow), whereas corresponding MR venogram (B) shows a flow gap
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