1. Kappa free light chain index as a diagnostic biomarker in multiple sclerosis: A real‐world investigation. Issue 3 (15th September 2021) Authors: Rosenstein, Igal; Rasch, Sofia; Axelsson, Markus; Novakova, Lenka; Blennow, Kaj; Zetterberg, Henrik; Lycke, Jan Journal: Journal of neurochemistry Issue: Volume 159:Issue 3(2021) Page Start: 618 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗