Schilling test

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A test used to assess a patient’s capacity to absorb vitamin B12 from the bowel. Radioactive vitamin B12 is given by mouth and urine collected for 24 hours. A normal individual will excrete at least 10% of the original dose over this period; a patient with pernicious anaemia will excrete less than 5%. R. F. Schilling (1919), US physician

Subjects: Medicine and Health.

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