@article{ref1,
title="Human conditioning and anxiety",
journal="Annals of the New York Academy of Sciences",
year="1953",
author="Welch, Livingston",
volume="56",
number="2",
pages="266-272",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0077-8923",
doi="10.1111/j.1749-6632.1953.tb30222.x",
url="http://dx.doi.org/10.1111/j.1749-6632.1953.tb30222.x"
}