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APA Citation
Shallcross, S. L., Arbisi, P. A., Polusny, M. A., Kramer, M. D., & Erbes, C. R. (n.d.). social Causation Versus Social Erosion: Comparisons of Causal Models for Relations Between Support and PTSD Symptoms. Journal of traumatic stress, 29(2), 167–175. http://access.bl.uk/ark:/81055/vdc_100031856432.0x000056