RT Journal Article SR Electronic T1 Terrorism and public health: a balanced approach to strengthening systems and protecting the public JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 355 OP 355 VO 58 IS 4 A1 G Trotter YR 2004 UL http://jech.bmj.com/content/58/4/355.1.abstract AB