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Rangarajan M, Aduse-Opoku J, Slaney JM, Young KA, Curtis MA.Rangarajan M, et al.Mol Microbiol. 1997 Mar;23(5):955-65. doi: 10.1046/j.1365-2958.1997.2831647.x.Mol Microbiol. 1997.PMID: 9076732Free article.