Коростій, В. І., and Л. Д. Коровіна. “The Role of Premorbid and Comorbid Mental Disorders in the Pathogenesis and Prognosis of PTSD”. Psychological Counseling and Psychotherapy, Vol. 2, no. 1-2, 1, pp. 139-4, https://periodicals.karazin.ua/psychotherapy/article/view/5039.