What is the association between the MTHFR C677T polymorphism and migraine susceptibility among populations in the Middle East? A systematic review. - Muhaisen, Abdulrhman H. M.; AbuSuailik, Ossama M.; Rawashdeh, Balqees Mohammed M.; Aljohar, Rawan Tayseer; Khlefat, Bielasan Mohammad; Al-Sharadqah, Lorans; Muhaisen, Hasan M. H.; Abuashabh, Sufian; Dhaher, Sara (Egyptian Journal of Neurology, Psychiatry & Neurosurgery, 2026)