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Işik U, Topuzoğlu A, Ay P, Ersu RH, Arman AR, Onsüz MF, Karavuş M, Dağli E.Işik U, et al. Among authors: onsuz mf.Headache. 2009 May;49(5):697-703. doi: 10.1111/j.1526-4610.2009.01339.x. Epub 2009 Jan 21.Headache. 2009.PMID: 19175424