Diagnostic Value of the Kappa Free Light Chain Index to Distinguish MOGAD, NMOSD, and MS.

Tournier A, Gavoille A, Pique J, Levraut M, Micoud E, Maillart E, Audoin B, Demortiere S, Boutiere C, Ayrignac X, Boucraut J, Jentzer A, Ciron J, Bost C, Collongues N, Deschamps R, Cohen M, Seitz-Polski B, Thouvenot E, Squalli S, Maréchal D, Branger P, Ahle G, Zephir H, Vukusic S, Klapczynski F, Laplaud DA, Giannesini C, Mélé N, Drouet T, Sterlin D, Marignier R.