K. Ayar, B. Metin Ökmen, L. Altan, and E. Kösegil Öztürk, “Is fibromyalgia accompanying Behçet’s disease more severe than primary fibromyalgia?”, Eur Res J, vol. 6, no. 6, pp. 631–639, Nov. 2020, doi: 10.18621/eurj.753015.