Media type: E-Article Title: Extending prolonged exposure for veterans with posttraumatic stress disorder: When is enough really enough? Contributor: Ready, David J.; Lamp, Kristen; Rauch, Sheila A. M.; Astin, Millie C.; Norrholm, Seth Davin Published: American Psychological Association (APA), 2020 Published in: Psychological Services, 17 (2020) 2, Seite 199-206 Language: English DOI: 10.1037/ser0000309 ISSN: 1939-148X; 1541-1559 Origination: Footnote: