Report copyright - Transforming humantumor Polypeptides - PNASProc. Natl.Acad.Sci. USA77(1980) a 20 * o0 U) o 100 0. 80-4 50 80 ito 0 0 1-U, 5)0-to._ 150 'Uco 0 C,,4-i0a 50 80 110 50 80 110 Fraction
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