RT Article T1 Psychological response to combat memories and preliminary treatment outcome in Vietnam veteran PRSD patients treated with direct therapeutic exposure JF Behavior therapy VO 21 IS 1 SP 63 OP 88 A1 Boudewyns, Patrick A. A2 Hyer, Lee LA English YR 1990 UL https://krimdok.uni-tuebingen.de/Record/1636885098 K1 Kriegsveteranen K1 Vietnam