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Old DC, Chisholm SA, Crichton PB, Taylor A.Old DC, et al. Among authors: chisholm sa.Epidemiol Infect. 2000 Jun;124(3):375-82. doi: 10.1017/s0950268899004033.Epidemiol Infect. 2000.PMID: 10982060Free PMC article.
Chisholm SA, Teare EL, Patel B, Owen RJ.Chisholm SA, et al.Lett Appl Microbiol. 2002;35(1):42-6. doi: 10.1046/j.1472-765x.2002.01129.x.Lett Appl Microbiol. 2002.PMID: 12081548