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Lenk U, Yu H, Walter J, Gelman MS, Hartmann E, Kopito RR, Sommer T.Lenk U, et al. Among authors: kopito rr.J Cell Sci. 2002 Jul 15;115(Pt 14):3007-14. doi: 10.1242/jcs.115.14.3007.J Cell Sci. 2002.PMID: 12082160