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The genetic covariation between fear conditioning and self-report fears.
Hettema JM, Annas P, Neale MC, Fredrikson M, Kendler KS. Hettema JM, et al. Among authors: annas p. Biol Psychiatry. 2008 Mar 15;63(6):587-93. doi: 10.1016/j.biopsych.2007.06.009. Epub 2007 Aug 14. Biol Psychiatry. 2008. PMID: 17698042 Free PMC article.
A twin study of the genetics of fear conditioning.
Hettema JM, Annas P, Neale MC, Kendler KS, Fredrikson M. Hettema JM, et al. Among authors: annas p. Arch Gen Psychiatry. 2003 Jul;60(7):702-8. doi: 10.1001/archpsyc.60.7.702. Arch Gen Psychiatry. 2003. PMID: 12860774
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