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. 2020 May 12;162(7):1735–1740. doi: 10.1007/s00701-020-04391-w

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© The Author(s) 2020

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Fig. 1 — An abnormal vessel typical to bAVMs. The structure of the vessel resembles a capillary with no smooth muscle in spite of diameter much larger than that of a capillary. The endothelial layer is marked with arrows and the lumen with *