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Walker BD, Flexner C, Birch-Limberger K, Fisher L, Paradis TJ, Aldovini A, Young R, Moss B, Schooley RT.Walker BD, et al. Among authors: flexner c.Proc Natl Acad Sci U S A. 1989 Dec;86(23):9514-8. doi: 10.1073/pnas.86.23.9514.Proc Natl Acad Sci U S A. 1989.PMID: 2480604Free PMC article.
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Moss B, Flexner C.Moss B, et al. Among authors: flexner c.Ann N Y Acad Sci. 1989;569:86-103. doi: 10.1111/j.1749-6632.1989.tb27360.x.Ann N Y Acad Sci. 1989.PMID: 2698098Review.No abstract available.