Abstract
In view of the presence of a substance in hog stomach powder having blood groups A and O activity, as previously reported1, it was decided to investigate fluid extracts to ascertain if such activity persisted after more extended manufacturing processes.
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References
Folan, M. E., Nature, 157, 231 (1946).
Morgan, W. T. J., and King, H. K., Biochem. J., 37, 640 (1943).
Morgan, W. T. J., Nature, 158, 759 (1946).
Aminoff, D., Morgan, W. T. J., and Watkins, W. M., Nature, 158, 879 (1946).
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FOLAN, M. Persistence of a Substance with Blood Groups A and O Specificity in Commercial Fluid Hog Stomach Extract. Nature 160, 790 (1947). https://doi.org/10.1038/160790a0
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DOI: https://doi.org/10.1038/160790a0
