@article{ref1,
title="Evolution of poison control centers in California",
journal="American journal of health-system pharmacy",
year="2007",
author="Alsop, Judith A. and Heard, Stuart E. and Albertson, T. E.",
volume="64",
number="18",
pages="1898-1899",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1079-2082",
doi="10.2146/ajhp060494",
url="http://dx.doi.org/10.2146/ajhp060494"
}