Petrova, Vasilena, and Latchezar Traykov. 2025. “Normal-Appearing White Matter N-Acetylaspartate Changes in Multiple Sclerosis As a Potential Biomarker”. Proceedings of the Bulgarian Academy of Sciences 78 (5). Sofia, Bulgaria:760–768. https://doi.org/10.7546/CRABS.2025.05.15.