Previous results on immunofixation electrophoresis (IFE) and quantitative free light chain (FLC) measurements have been conflicting. Patients and Methods: The purpose of this study was to compare ...

Comparison of serum IFE with serum FLC in a large primary care and tertiary referral hospital showed that 50.7% of subjects with an M-protein demonstrated by IFE had normal κ/λ ratios. These ...