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White OJ, McKenna KL, Bosco A, H J van den Biggelaar A, Richmond P, Holt PG.White OJ, et al. Among authors: mckenna kl.Vaccine. 2012 Feb 27;30(10):1865-74. doi: 10.1016/j.vaccine.2011.12.118. Epub 2012 Jan 9.Vaccine. 2012.PMID: 22230586
Ramsey KA, Bosco A, McKenna KL, Carter KW, Elliot JG, Berry LJ, Sly PD, Larcombe AN, Zosky GR.Ramsey KA, et al. Among authors: mckenna kl.Environ Health Perspect. 2013 Feb;121(2):244-50. doi: 10.1289/ehp.1205590. Epub 2012 Dec 4.Environ Health Perspect. 2013.PMID: 23221970Free PMC article.