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Scandinavian Journal of Gastroenterology Volume 7, 1972 - Issue 5
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Original Article

The In Vivo Uptake of Vitamin B12 by Intestinal Bacteria in Rats with Jejunal Blind Loops

H. Schjönsby Chr. Michelsens Institute, Medical Dept. A and Laboratory of Oral Microbiology, Dept. of Microbiology, the Gade Institute, University of Bergen, Bergen, Norway
Pages 455-461 | Received 27 Dec 1971, Accepted 02 Feb 1972, Published online: 23 Feb 2010

REFERENCES

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  • Bradford Hill, A. 1961. Principles of Medical Statistics (7th ed.) The Lancet Ltd., London.
  • Cameron, D. G., Watson, G. M. & Witts, L. J. 1949. The experimental production of macrocytic anemia by operations on the intestinal tract. Blood 4, 803–815.
  • Dellipiani, A. W., Samson, R. R. & Girdwood, R. H. 1968. The uptake of vitamin B12 by E. coli: Possible significance in relation to the blind loop syndrome. Amer. J. dig. Dis. 13, 718–726.
  • Donaldson, R. M., Jr. 1962. Malabsorption of Co60-labelled cyanocobalamin in rats with intestinal diverticula. I. Evaluation of possible mechanisms. Gastroenterology 43, 271–281.
  • Donaldson, R. M., Jr., Corrigan, S. & Natsios, G. 1962. Malabsorption of Co60-labelled cyanocobalamin in rats with intestinal diverticula. Gastroenterology 43, 282–290.
  • Kent, T. H., Summers, R. W., Den Besten, L., Swaner, J. C. & Hrouda, M. 1969. Effect of antibiotics on bacterial flora of intestinal blind loops. Proc. Soc. exp. Biol. (N.Y.) 132, 63–67.
  • Midtvedt, T., Norman, A. & Nygaard, K. 1969. Bile acid transforming microorganisms in rats with an intestinal blind segment. Acta path. microbiol. scand. 77, 162–166.
  • Nieweg, H. O., Arends, A., Mandema, E. & Castle, W. B. 1956. Enhanced absorption of vitamin B12 in gastrectomized rat by rat intrinsic factor. Proc. Soc. exp. Biol. (N.Y.) 91, 328–332.
  • Pharmacopoea Nordica 4 ed. dan. 1960, 105–109.
  • Schjönsby, H. 1971. The effect of bacteria on intestinal uptake of vitamin B12. I. Effect of cultures of blind-loop contents. In preparation.
  • Schjönsby, H. 1971. Effect of bacteria on intestinal uptake of vitamin B12. II. Effect of pure bacterial cultures. In preparation.
  • Schjönsby, H., Peters, T. J., Hoffbrand, A. V. & Tabaqchali, S. 1970. The mechanism of vitamin B12 malabsorption in the blind loop syndrome, (abstract). Gut 11, 371.

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