1. Buchwald, H. Lowering of cholesterol absorption and blood levels by ileal exclusion: experimental basis and preliminary clinical report.Circulation 29:713, 1964.
2. Schilling, R. F. Intrinsic factor studies. II. The effect of gastric juice on the urinary excretion of radioactivity after the oral administration of radioactive vitamin B12.J. Lab. & Clin. Med. 42:860, 1953.
3. Schilling, R. F., Clatanoff, D. V., andKorst, D. R. Intrinsic factor studies. III. Further observations utilizing the urinary radioactivity test in subjects with achlorhydria, pernicious anemia, or a total gastrectomy.J. Lab. & Clin. Med. 45:926, 1955.
4. Butt, H. R., andWatkins, C. H. Occurrence of macrocytic anemia in association with lesions of the bowel.Ann. Int. Med. 10:222, 1936.
5. Meynell, M. J., Cooke, W. T., Cox, E. V., andGaddie, R. Serum-cyanocobalamin level in chronic intestinal disorders.Lancet 1:901, 1957.