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. 2019 Jul 30;4(4):189–197. doi: 10.1136/svn-2019-000246

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© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Flow chart of the cohort by presentation and location of the stenosis. AIS, acute ischaemic stroke; BAS, basilar artery stenosis; TIA, transient ischaemic attack.