TI - Comparison of neurofilament light chain protein levels in the blood of patients with multiple sclerosis and amyotrophic lateral sclerosis AU - BERTAN, E. AU - GÜNEL, A. AU - ÇELİK, R. AU - İDRİSOĞLU, H.A. AU - VURAL KORKUT, Å. SO - Sigma Journal of Engineering and Natural Sciences 2026;44:2676-2684. DO - 10.14744/sigma.2026.2121