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. 2020 Mar 29;40(7):639–649. doi: 10.1177/0333102420915167

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© International Headache Society 2020

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 3. — Adjusted migraine-related total costs.

*p < 0.001.

TIR: triptan insufficient responder.