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Reichert RA, Weissman IL, Butcher EC.Reichert RA, et al. Among authors: butcher ec.J Immunol. 1986 May 15;136(10):3529-34.J Immunol. 1986.PMID: 3084633
Wilson A, Scollay R, Reichert RA, Butcher EC, Weissman IL, Shortman K.Wilson A, et al. Among authors: butcher ec.J Immunol. 1987 Jan 15;138(2):352-7.J Immunol. 1987.PMID: 3491850