Alpua, Murat, et al. “Relationship Between Serum Glial Fibrillary Acidic Protein and Neurogranin Levels and Cognition in Multiple Sclerosis”. Journal of Medical and Health Studies, vol. 5, no. 1, Feb. 2024, pp. 46-50, https://doi.org/10.32996/jmhs.2024.5.1.6.