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Tzeng E, Billiar TR, Robbins PD, Loftus M, Stuehr DJ.Tzeng E, et al. Among authors: stuehr dj.Proc Natl Acad Sci U S A. 1995 Dec 5;92(25):11771-5. doi: 10.1073/pnas.92.25.11771.Proc Natl Acad Sci U S A. 1995.PMID: 8524846Free PMC article.