| http://www.w3.org/ns/prov#value | - Physical examination looks for other causes of GI problems, as well as other body system diseases.Complete blood count and blood chemistries may be ordered to look for anemia and other abnormalities such as an allergy to gluten.Testing for blood in the stool.Endoscopy of the GI tract may include a colonoscopy (using a lighted flexible instrument to look at the inner surface of the colon) and an es
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