Diagnostic value of the kappa free light chain index in multiple sclerosis under the 2024 CSF positivity criterion: a multicentre study in oligoclonal band-negative patients.
Ferraro D, Fiore A, Di Sabatino E, Cavalla P, Gallo A, Calabrese M, Radelli M, Clerici V T, Pinardi F, Malucchi S, et al.
Front Immunol. 2026; 17:1848491. PMID: 42756799.Abstract
