Does remembering cause forgetting in chronically stressed people? A study of Ugandan civil war refugees with and without PTSD Koessler, S. Koessler S. Wöhrmann, C. Wöhrmann C. Zwissler, S. Zwissler S. Pfeiffer, Anett Pfeiffer Anett Ertl, Verena Ertl Verena Kissler, J. Kissler J. 218 2 71-79 71-79 Hogrefe & Huber 2010