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Campbell KM, Vaughn AF, Russell KL, Smith B, Jimenez DL, Barrozo CP, Minarcik JR, Crum NF, Ryan MA.Campbell KM, et al. Among authors: crum nf.J Clin Microbiol. 2004 Sep;42(9):4050-3. doi: 10.1128/JCM.42.9.4050-4053.2004.J Clin Microbiol. 2004.PMID: 15364988Free PMC article.