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Laverty AA, Bottle A, Majeed A, Millett C.Laverty AA, et al.J Public Health (Oxf). 2011 Jun;33(2):302-9. doi: 10.1093/pubmed/fdq078. Epub 2010 Oct 12.J Public Health (Oxf). 2011.PMID: 20940274
Hamilton FL, Laverty AA, Vamos EP, Majeed A, Millett C.Hamilton FL, et al. Among authors: laverty aa.J Public Health (Oxf). 2013 Mar;35(1):75-84. doi: 10.1093/pubmed/fds065. Epub 2012 Jul 26.J Public Health (Oxf). 2013.PMID: 22842764