eath by chapter headings of the International
Code of Diseases ICD-9</p>
</dd>
</dl>



<h3>Details</h3>

<p>In 1995 Dr. Robert Kyle embarked on a study to determine the
prevalence of monoclonal gammopathy of undetermined significance
(MGUS) in Olmsted County, Minnesota, a condition which is
normally only found by chance from a test (serum electrophoresis)
which is ordered for other causes.  Later work suggested that one
component of immunoglobulin production, the serum free light chain,
might be a possible