@article{ref1,
title="In the wake of tragedy: studies track psychological response to mass violence",
journal="JAMA journal of the American Medical Association",
year="2003",
author="Lamberg, L.",
volume="290",
number="5",
pages="587-589",
abstract="Abstract unavailable.",
language="",
issn="0098-7484",
doi="10.1001/jama.290.5.587",
url="http://dx.doi.org/10.1001/jama.290.5.587"
}