Abstract
EXISTING methods for the preparation of sheep growth hormone by low-temperature ethanol fractionation1 or salt fractionation, combined with ion exchange chromatography2, are lengthy and involve a large number of individual steps. The same criticism applies to existing methods for preparation of ox growth hormone3,4.
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WALLACE, A. Preparation of Sheep Growth Hormone. Nature 190, 535–536 (1961). https://doi.org/10.1038/190535a0
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DOI: https://doi.org/10.1038/190535a0
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