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23. Presence of activin (erythroid differentiation factor) in unfertilized eggs and blastulae of Xenopus laevis. Asashima M, Nakano H, Uchiyama H, Sugino H, Nakamura T, Eto Y, Ejima D, Nishimatsu S, Ueno N, Kinoshita K. Proc Natl Acad Sci U S A; 1991 Aug 01; 88(15):6511-4. PubMed ID: 1862079 [Abstract] [Full Text] [Related]
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