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Kafatos G, Andrews N, Gillespie IA, Charlett A, Adak GK, De Pinna E, Threlfall EJ.Kafatos G, et al. Among authors: gillespie ia.Epidemiol Infect. 2009 Jun;137(6):821-7. doi: 10.1017/S0950268808001234. Epub 2008 Oct 17.Epidemiol Infect. 2009.PMID: 18925987
Boxall NS, Adak GK, DE Pinna E, Gillespie IA.Boxall NS, et al. Among authors: gillespie ia.Epidemiol Infect. 2011 Dec;139(12):1936-44. doi: 10.1017/S0950268810003080. Epub 2011 Jan 24.Epidemiol Infect. 2011.PMID: 21255477