A GP has been approached by a patient who knows somebody who had a test for
excluding a "leaky bowel" using PEG400 and measurement of diffecent
molecular weight fractions in a 6 hour urine collection.
Does anybody have any experience of this test or it's validity, as from a
Medline search it would appear to not be able to distinguish between
healthy relatives and Crohn's disease patients.
Thanks
Gary Mascall
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