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Roth JR, Lawrence JG, Rubenfield M, Kieffer-Higgins S, Church GM.Roth JR, et al. Among authors: lawrence jg.J Bacteriol. 1993 Jun;175(11):3303-16. doi: 10.1128/jb.175.11.3303-3316.1993.J Bacteriol. 1993.PMID: 8501034Free PMC article.
Lawrence JG, Ochman H, Hartl DL.Lawrence JG, et al.J Gen Microbiol. 1991 Aug;137(8):1911-21. doi: 10.1099/00221287-137-8-1911.J Gen Microbiol. 1991.PMID: 1955870