Abstract
THE purine bases of normal human urine have been separated, identified and quantitatively estimated1–3. During these investigations several additional unknown compounds appeared with the purines; they were separated and designated E, W, S and Z.
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References
Weissmann, B., Bromberg, P. A., and Gutman, A. B., J. Biol. Chem., 224, 407, 423 (1957). Weissmann, B., and Gutman, A. B., J. Biol. Chem., 229, 239 (1957).
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SINGER, H., GULBENKIAN, A., LASKER, S. et al. Identification of a Compound found during Separation of Purines in Human Urine. Nature 189, 671 (1961). https://doi.org/10.1038/189671a0
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DOI: https://doi.org/10.1038/189671a0
