Appraisal of self, social environment, and state authority as a possible mediator of posttraumatic stress disorder in tortured political activists - Başoğlu, Metin; Paker, Murat; Özmen, Erdogan; Tasdemir, Özgün; Sahin, Dogan; Ceyhanli, Ayten; Sarimurat, Nusin; Incesu, Cem (Journal of abnormal psychology, 1996)