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Wainwright MA, Wright MJ, Luciano M, Geffen GM, Martin NG.Wainwright MA, et al. Among authors: geffen gm.Twin Res Hum Genet. 2005 Dec;8(6):602-8. doi: 10.1375/183242705774860259.Twin Res Hum Genet. 2005.PMID: 16354502
Medland SE, Duffy DL, Wright MJ, Geffen GM, Martin NG.Medland SE, et al. Among authors: geffen gm.Twin Res Hum Genet. 2006 Feb;9(1):46-53. doi: 10.1375/183242706776402885.Twin Res Hum Genet. 2006.PMID: 16611467
Wainwright MA, Wright MJ, Luciano M, Geffen GM, Martin NG.Wainwright MA, et al. Among authors: geffen gm.Twin Res Hum Genet. 2008 Jun;11(3):275-86. doi: 10.1375/twin.11.3.275.Twin Res Hum Genet. 2008.PMID: 18498206Free article.