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McDaniel R, Ebert-Khosla S, Fu H, Hopwood DA, Khosla C.McDaniel R, et al. Among authors: khosla c.Proc Natl Acad Sci U S A. 1994 Nov 22;91(24):11542-6. doi: 10.1073/pnas.91.24.11542.Proc Natl Acad Sci U S A. 1994.PMID: 7972098Free PMC article.