RT Journal A1 Zatzick D T1 Collaborative treatment of traumatized children and teens: The trauma systems therapy approach JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2007 FD September 1 VO 161 IS 9 SP 914 OP 915 DO 10.1001/archpedi.161.9.914 UL http://dx.doi.org/10.1001/archpedi.161.9.914 AB Traumatic life events, including physical assaults, motor vehicle crashes, childhood abuse, and exposure to natural disasters, appear to be endemic among youth and adults in the United States.1 As the authors of the excellent volume Collaborative Treatment of Traumatized Children and Teens: The Trauma Systems Therapy Approach highlight, for a subpopulation of youth and families, trauma exposure is a chronic recurrent problem. For these children and teens, poverty, disrupted community life, and fragmented health service delivery systems may also complicate posttraumatic mental and physical health care.