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. 2023 Oct 13;34(1):181–188. doi: 10.1007/s00062-023-01346-3

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Fig. 1 — Follow-up time chart. Above indicates the number of patients with respective aneurysms for each follow-up milestone; below the degree of aneurysm occlusion for each follow-up milestone is indicated by using the Raymond-Roy occlusion classification (RROC). FU follow-up