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Hastings N, Agaba M, Tocher DR, Leaver MJ, Dick JR, Sargent JR, Teale AJ.Hastings N, et al. Among authors: leaver mj.Proc Natl Acad Sci U S A. 2001 Dec 4;98(25):14304-9. doi: 10.1073/pnas.251516598. Epub 2001 Nov 27.Proc Natl Acad Sci U S A. 2001.PMID: 11724940Free PMC article.