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Brown JS, Hussell T, Gilliland SM, Holden DW, Paton JC, Ehrenstein MR, Walport MJ, Botto M.Brown JS, et al. Among authors: paton jc.Proc Natl Acad Sci U S A. 2002 Dec 24;99(26):16969-74. doi: 10.1073/pnas.012669199. Epub 2002 Dec 11.Proc Natl Acad Sci U S A. 2002.PMID: 12477926Free PMC article.