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Jang KL, Livesley WJ, Vernon PA.Jang KL, et al. Among authors: vernon pa.Twin Res. 2002 Oct;5(5):342-6. doi: 10.1375/136905202320906066.Twin Res. 2002.PMID: 12537856Review.
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Johnson AM, Vernon PA, McCarthy JM, Molson M, Harris JA, Jang KL.Johnson AM, et al. Among authors: vernon pa.Twin Res. 1998 Dec;1(4):216-23. doi: 10.1375/136905298320566195.Twin Res. 1998.PMID: 10100814