00357nam a2200109Ia 4500008004100000245012500041260003500166260000900201300001000210500001100220650001600231170224s9999 xx 000 0 und d aBidirectional relationships between trauma exposure and posttraumatic stress: A longitudinal study of Detroit residents. bJournal of Abnormal Psychology c2014 a123:3 aAugust xPsychology.