@article{ref1,
title="Space shuttle Columbia disaster: utilization of poison control centers in Texas and Louisiana",
journal="Journal of toxicology - clinical toxicology",
year="2004",
author="Shepherd, Greene and Keyes, Daniel C. and Borys, Douglas J. and Ellis, M. D. and Ryan, Mark L. and Watson, William A.",
volume="42",
number="4",
pages="389-390",
abstract="Abstract unavailable.",
language="",
issn="0731-3810",
doi="",
url="http://dx.doi.org/"
}