 marker for immune disregulation.  In 2010
Dr. Angela Dispenzieri and colleagues assayed FLC levels on those
samples from the original study for which they had patient permission and from
which sufficient material remained for further testing.  They found
that elevated FLC levels were indeed associated with higher death
rates.
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<p>Patients were recruited when they came to the clinic for other
appointments, with a final random sample of those who had not yet
had a visit since the study began.  An interes