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Clinical Chemistry, Vol 15, 271-281, Copyright © 1969 by the American Association for Clinical Chemistry
1 Departments of Medical Chemistry and of Medicine, Queen Mary Veterans'
Hospital, Montreal, Canada.
The concentrations of serum immunoglobulins (Ig) G, A, and M were correlated with
specific features in the
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region of densitometer patterns of serum protein electrophoresis on cellulose acetate membranes; visual analysis of densitometer patterns
permitted semiquantitative prediction of values for IgG and IgA. Important immunoglobulin abnormalities, particularly elevations of IgA, were seen in some cases even
when normal values were obtained from analyses of electrophoresis by usual densitometer integrator technics; many such instances were detectable by inspection of the
densitometer tracing.
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