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Investigation of gastrointestinal function 

Investigation of gastrointestinal function
Investigation of gastrointestinal function

Julian R.F. Walters


November 30, 2011: This chapter has been re-evaluated and remains up-to-date. No changes have been necessary.

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date: 27 September 2021

Many blood measurements of absorbed dietary components (such as iron, folate, vitamin B12, cholesterol, and triglycerides) or their metabolic products (such as haemoglobin or albumin) can be abnormal when gastrointestinal function is impaired, and their serial changes can be used to follow progress of disease. Specific assessment of the function of the gastrointestinal tract complements the findings of imaging, endoscopy, and histology in the diagnosis of digestive diseases....

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