@article{ref1,
title="Risk of pediatric lead poisoning from nonenvironmental exposures: gun ownership",
journal="American journal of diseases of children (1960)",
year="1993",
author="Gellert, George A. and Meyers, H. B. and Yeung, A.",
volume="147",
number="7",
pages="720-722",
abstract="Abstract unavailable.",
language="",
issn="0002-922X",
doi="",
url="http://dx.doi.org/"
}