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APA Citation
Donnet, A., Braunstein, D., Pradel, V., Sciortino, V., Allaria‐Lapierre, V., Micallef, J., & Lanteri‐Minet, M. (2016). ergot Use and Overuse: A Pharmacoepidemiology Retrospective Cohort Study. Headache, 56(3), 547–554. http://access.bl.uk/ark:/81055/vdc_100031255081.0x00005c