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Johnson BJ, Costelloe EO, Fitzpatrick DR, Haanen JB, Schumacher TN, Brown LE, Kelso A.Johnson BJ, et al. Among authors: costelloe eo.Proc Natl Acad Sci U S A. 2003 Mar 4;100(5):2657-62. doi: 10.1073/pnas.0538056100. Epub 2003 Feb 24.Proc Natl Acad Sci U S A. 2003.PMID: 12601154Free PMC article.