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Latent classes of PTSD symptoms in Vietnam veterans.
Steenkamp MM, Nickerson A, Maguen S, Dickstein BD, Nash WP, Litz BT. Steenkamp MM, et al. Among authors: nash wp. Behav Modif. 2012 Nov;36(6):857-74. doi: 10.1177/0145445512450908. Epub 2012 Jul 13. Behav Modif. 2012. PMID: 22798638
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