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The serological diagnosis of CD is made by these three tests (IgG and IgA
anti-gliadin, endomysial (EMA) and reticulin (ARA). To obtain meaningful
results, it is essential that the tests be performed on well-standardized
test kits by experienced laboratory personnel. Because of these limitations
the results may vary from laboratory to laboratory. I would advise sending
the results to laboratories that specialize in these tests.

Dr. Vijay Kumar