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pubmed:abstractText |
A growth inhibitor for the Ehrlich ascites mammary carcinoma, purified from bovine mammary gland, is antagonized by very low concentrations of epidermal growth factor (2-16 X 10(-10) M) or fetal calf serum (0.001-0.1%). Thus, epidermal growth factor and the compounds in fetal calf serum have the same effect as earlier described for insulin and proinsulin [1-3].
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