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Kaplan G, Mathur NK, Job CK, Nath I, Cohn ZA.Kaplan G, et al. Among authors: mathur nk.Proc Natl Acad Sci U S A. 1989 Oct;86(20):8073-7. doi: 10.1073/pnas.86.20.8073.Proc Natl Acad Sci U S A. 1989.PMID: 2510159Free PMC article.
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