White and Gray Matter Multiple Sclerosis Spinal Cord Lesion Characteristics and Individualized Tissue Damage Assessment Using 7 T T1 Mapping. - Laines-Medina N; Mchinda S; Testud B; Le Troter A; Pini L; Audoin B; Pelletier J; Demortière S; Cohen-Adad J; Callot V (Investigative radiology, 2026)