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Stathopulos PB, Rumfeldt JA, Scholz GA, Irani RA, Frey HE, Hallewell RA, Lepock JR, Meiering EM.Stathopulos PB, et al. Among authors: hallewell ra.Proc Natl Acad Sci U S A. 2003 Jun 10;100(12):7021-6. doi: 10.1073/pnas.1237797100. Epub 2003 May 28.Proc Natl Acad Sci U S A. 2003.PMID: 12773627Free PMC article.