@article{ref1,
title="Pica and poisoning",
journal="American journal of orthopsychiatry",
year="1971",
author="Lourie, R. S.",
volume="41",
number="4",
pages="697-699",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9432",
doi="",
url="http://dx.doi.org/"
}