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  • Title: Vitamin B12 absorption studies using radioactive vitamin B12: comparison of whole body retention and urinary excretion after flushing dose (Schilling's test).
    Author: Kulkarni VN, Mehta DJ, Kulkarni RD, Hukkoo RK.
    Journal: Indian J Physiol Pharmacol; 1976; 20(2):59-63. PubMed ID: 823100.
    Abstract:
    Vitamin B-12 absorption of 12 healthy young male subjects was determined by using labelled vitamin B-12 by Schilling's test and whole body retention test. The whole body retention test was performed first using low energy Co57 isotope and a week later, Schilling's test was performed. Whole body retention showed a mean absorption of 56.5% while Schilling's test showed mean absorption of 16.9% in the same subjects. Data supports the whole body retention test being more accurate.
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