MEFV and familial Mediterranean fever: We aimed to: (i) determine the frequency of MEFV gene mutations in the Sanliurfa province of south-eastern Anatolia; (ii) compare the results of the MEFV mutations spectrum before and after the migration of the Syrian refugees to the area; (iii) compare the results with other geographic regions of Turkey; (iv) compare the results with Turkish and Syrian patients; (v) analyze the country overall; and (vi) discuss the use of NGS in FMF patients..