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Beam CR, Emery RE, Reynolds CA, Gatz M, Turkheimer E, Pedersen NL.Beam CR, et al.Behav Genet. 2016 Jan;46(1):100-13. doi: 10.1007/s10519-015-9733-7. Epub 2015 Aug 25.Behav Genet. 2016.PMID: 26303346Free PMC article.