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Hughes DC, Raghavan A, Mordekar SR, Griffiths PD, Connolly DJ.Hughes DC, et al. Among authors: connolly dj.Postgrad Med J. 2010 Aug;86(1018):478-85. doi: 10.1136/pgmj.2010.097022.Postgrad Med J. 2010.PMID: 20709770Review.