AU - Carroll BJ TI - POsttraumatic stress disorder subtypes invalid PT - JOUR DP - 2011 TA - Archives of General Psychiatry pages = {978-980}, VI - 68 IP - 9 AID - 10.1001/archgenpsychiatry.2011.93 [doi] 4100 - http://dx.doi.org/10.1001/archgenpsychiatry.2011.93 SO - Archives of General Psychiatry September 1, 2011 68(9):978