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Xu H, Gonzalo JA, St Pierre Y, Williams IR, Kupper TS, Cotran RS, Springer TA, Gutierrez-Ramos JC.Xu H, et al.J Exp Med. 1994 Jul 1;180(1):95-109. doi: 10.1084/jem.180.1.95.J Exp Med. 1994.PMID: 7911822Free PMC article.