PDF] Serum free light chain ratio, total kappa/lambda ratio, and immunofixation results are not prognostic factors after stem cell transplantation for newly diagnosed multiple myeloma. | Semantic Scholar
Polyclonal serum free light chain elevation is associated with increased risk of monoclonal gammopathies | Blood Cancer Journal
Kappa free light chain index as a diagnostic biomarker in multiple sclerosis: A real‐world investigation - Rosenstein - 2021 - Journal of Neurochemistry - Wiley Online Library