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Objective
Age‐related changes in parathyroid hormone (PTH) have been previously documented in adults. However, because of the limitations of traditional approaches to establishing reference intervals, age‐related reference intervals have not been defined. We sought to use a data mining approach to derive age‐related PTH reference intervals.
Design and Participants
Results from patients undergoing...
Measurement of serum free light chains (FLC) is useful for the diagnosis and monitoring of monoclonal light-chain diseases. It has been suggested that there will be widespread replacement of urine Bence Jones protein measurement by serum FLC assay. We report on our experience with the assay during monitoring of light-chain myeloma (LCMM) and AL amyloidosis (AL).Serum FLC immunoassay, serum and/or...
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