Ramírez Núñez, Paulina, et al. “Frequency of Fatigue, Emotional Symptoms, and Cognitive Complaints in Patients With Recently Diagnosed Multiple Sclerosis and Their Association With Serum Kynurenines and Cytokines. A Cross-Sectional Study”. Investigación En Discapacidad, vol. 11, no. S1, Nov. 2025, https://dsm.inr.gob.mx/indiscap/index.php/INDISCAP/article/view/546.