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hi there
i do not have an answer for you about your sons. what i would suggest is
keeping son 1 on wheat diet! i got the same results and am eating more wheat
because that is the only way the tests can be accurate in 6 months when you
have him retested. if he is GF the results will show no anti bodies. son 2
may have celiac, only a biopsy would be able to tell if his tests are not
conclusive or he has iga defic(sp?) though the new ttransglutimate test the u
of m uses is very specific and would probably have found something. i am
retesting my nonceliac son every few years because i have heard of cases
where the results came  back -celiac after a year or after 5 years...
good luck
Andrea
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thanks all!