Preservation of seminiferous epithelium
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Evans, Herbert M. ;Emerson, Gladys A. ;Emerson, Oliver H.
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Article
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1939
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John Wiley and Sons
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English
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## ONE TEXT FIGURE AXD TWO PLATES (T%N FIGURES) I n the isolation of the pure substances (Evans, Emerson and Emerson, '36) having vitamin E activity (the so-called tocopherols) the biological test employed was the capacity of the substance to restore fertility in female rats of proved sterility wh