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. 2009 May;30(5):995–997. doi: 10.3174/ajnr.A1393

Fig 1.

Fig 1.

Lateral view of the right common carotid artery injection demonstrates severe stenosis at the bifurcation. Note streaming of unopacified blood within the ICA and the absence of occipital artery branch from the posterior surface of the external carotid artery.