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Findelman FD, Shevach EM, Vitetta ES, Green I, Paul WE.Findelman FD, et al. Among authors: shevach em.J Exp Med. 1975 Jan 1;141(1):27-41. doi: 10.1084/jem.141.1.27.J Exp Med. 1975.PMID: 1090699Free PMC article.