- Orr, S. P., Lasko, N. B., Metzger, L. J., Berry, N. J., Ahern, C. E., & Pitman, R. K. (1997). Psychophysiologic assessment of PTSD in adult females sexually abused during childhood. In R. Yehuda & A.
C. McFarlane (Eds.), Psychobiology of posttraumatic stress disorder (Vol. 821, pp. 491-493). New York: New York Academy of Sciences.
- Panksepp, J. (2005). Why does separation distress hurt? Comment on Macdonald and Leary (2005). Psychological Bulletin, 131, 224-230.
- Paunovic, N. (2003). Prolonged exposure counterconditioning as a treatment for chronic posttraumatic stress disorder. Journal of Anxiety Disorders, 17, 479-499.
- Paunovic, N., Lundh, L.-G., & Ost, L.-G. (2002). Attentional and memory bias for emotional information in crime victims with acute posttraumatic stress disorder (PTSD). Journal of Anxiety Disorders, 16, 675-692.
- Payne, M. (2000). A strange unaccountable something: Historicizing sexual abuse essays. In C. M. Anderson & M. M. MacCurdy (Eds.), Writing and healing: Toward an informed practice (pp. 115-157). Urbana, IL: National Council of Teachers of English.
- Pennebaker, J. W., Kiecolt-Glaser, J. K., & Glaser, R. (1988). Disclosure of traumas and immune function: Health implications for psychotherapy. Journal of Consulting and Clinical Psychology, 56, 239-245.
- Pennebaker, J. W., & Seagal, J. D. (1999). Forming a story: The health benefits of narrative. Journal of Clinical Psychology, 55, 1243-1254.
- Peterson, C., Maier, S. F., & Seligman, M. E. P. (1993). Learned helplessness: A theory for the age of personal control. New York: Oxford University Press.