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Mitra RM, Gleason CA, Edwards A, Hadfield J, Downie JA, Oldroyd GE, Long SR.Mitra RM, et al. Among authors: downie ja.Proc Natl Acad Sci U S A. 2004 Mar 30;101(13):4701-5. doi: 10.1073/pnas.0400595101. Epub 2004 Mar 1.Proc Natl Acad Sci U S A. 2004.PMID: 15070781Free PMC article.