1. Co-occurring Lower Respiratory Symptoms and Posttraumatic Stress Disorder 5 to 6 Years After the World Trade Center Terrorist Attack Nair, Hemanth P.; Ekenga, Christine C.; Cone, James E.; Brackbill, Robert M.; Farfel, Mark R.; Stellman, Steven D. 2012 Articles Public healthMental healthEnvironmental health
2. Asthma and posttraumatic stress symptoms 5 to 6 years following exposure to the World Trade Center terrorist attack Farfel, Mark R.; Friedman, Stephen; Perlman, Sharon E.; Stellman, Steven D.; Walker, Deborah J.; Wu, David; Yu, Shengchao; Thorpe, Lorna E.; Brackbill, Robert M.; Ekenga, Christine C.; DiGrande, Laura; Hadler, James L. 2009 Articles EpidemiologyPublic health