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Polgreen PM, Septimus E, Talbot TR, Beekmann SE, Helms C.Polgreen PM, et al.Infect Control Hosp Epidemiol. 2010 Oct;31(10):1063-5. doi: 10.1086/656382.Infect Control Hosp Epidemiol. 2010.PMID: 20804373
Leask J, Helms CM, Chow MY, Robbins SC, McIntyre PB.Leask J, et al. Among authors: helms cm.N S W Public Health Bull. 2010 Sep-Oct;21(9-10):243-7. doi: 10.1071/NB10042.N S W Public Health Bull. 2010.PMID: 21211478Free article.
Helms CM, Guerra FA, Klein JO, Schaffner W, Arvin AM, Peter G; National Vaccine Advisory Committee.Helms CM, et al.Am J Prev Med. 2005 Oct;29(3):221-6. doi: 10.1016/j.amepre.2005.05.011.Am J Prev Med. 2005.PMID: 16168873No abstract available.