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Joseph JA, Denisova N, Fisher D, Shukitt-Hale B, Bickford P, Prior R, Cao G.Joseph JA, et al.Ann N Y Acad Sci. 1998 Nov 20;854:268-76. doi: 10.1111/j.1749-6632.1998.tb09908.x.Ann N Y Acad Sci. 1998.PMID: 9928436Review.