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Lesley SA, Patten PA, Schultz PG.Lesley SA, et al. Among authors: schultz pg.Proc Natl Acad Sci U S A. 1993 Feb 15;90(4):1160-5. doi: 10.1073/pnas.90.4.1160.Proc Natl Acad Sci U S A. 1993.PMID: 8094556Free PMC article.
Liu DR, Magliery TJ, Pastrnak M, Schultz PG.Liu DR, et al. Among authors: schultz pg.Proc Natl Acad Sci U S A. 1997 Sep 16;94(19):10092-7. doi: 10.1073/pnas.94.19.10092.Proc Natl Acad Sci U S A. 1997.PMID: 9294168Free PMC article.
Liu DR, Schultz PG.Liu DR, et al. Among authors: schultz pg.Proc Natl Acad Sci U S A. 1999 Apr 27;96(9):4780-5. doi: 10.1073/pnas.96.9.4780.Proc Natl Acad Sci U S A. 1999.PMID: 10220370Free PMC article.