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Klaver B, Berkhout B.Klaver B, et al. Among authors: berkhout b.EMBO J. 1994 Jun 1;13(11):2650-9. doi: 10.1002/j.1460-2075.1994.tb06555.x.EMBO J. 1994.PMID: 8013464Free PMC article.
Back NK, Nijhuis M, Keulen W, Boucher CA, Oude Essink BO, van Kuilenburg AB, van Gennip AH, Berkhout B.Back NK, et al. Among authors: berkhout b.EMBO J. 1996 Aug 1;15(15):4040-9.EMBO J. 1996.PMID: 8670908Free PMC article.