Notes
funded by Allergan plc, Ireland
a two-phase, web-based, cross-sectional panel survey conducted in 10 countries, including the US, between February and April 2009
Reference
Messali A, et al. Direct and Indirect Costs of Chronic and Episodic Migraine in the United States: A Web-Based Survey. Headache : Feb 2016. Available from: URL: http://doi.org/10.1111/head.12755
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Counting costs of chronic vs episodic migraine in the US. PharmacoEcon Outcomes News 748, 12 (2016). https://doi.org/10.1007/s40274-016-2863-1
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DOI: https://doi.org/10.1007/s40274-016-2863-1