Eryavuz Onmaz, D., S. M. Turan Isik, A. H. Ekmekci, . S. Ozturk, F. Sak, M. Kuzu, and A. Unlu. “Elevated Serum Homocitrulline Levels in Patients With Multiple Sclerosis and Its Relationship With Disease Activity”. Annals of Medical Research, vol. 29, no. 7, July 2022, pp. 687-92, http://www.annalsmedres.org/index.php/aomr/article/view/4207.