AUTHOR=Stevens Lucy H. , Spencer Helen M. , Turkington Douglas TITLE=Identifying Four Subgroups of Trauma in Psychosis: Vulnerability, Psychopathology, and Treatment JOURNAL=Frontiers in Psychiatry VOLUME=8 YEAR=2017 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2017.00021 DOI=10.3389/fpsyt.2017.00021 ISSN=1664-0640