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Bremner AJ, Hill EL, Pratt M, Rigato S, Spence C.Bremner AJ, et al. Among authors: spence c.PLoS One. 2013;8(1):e51887. doi: 10.1371/journal.pone.0051887. Epub 2013 Jan 30.PLoS One. 2013.PMID: 23382813Free PMC article.
Begum Ali J, Spence C, Bremner AJ.Begum Ali J, et al. Among authors: spence c.Curr Biol. 2015 Oct 19;25(20):R978-9. doi: 10.1016/j.cub.2015.08.055.Curr Biol. 2015.PMID: 26485368Free article.