@article{ref1,
title="Imipramine and its metabolites in human brain",
journal="Journal of pharmacy and pharmacology",
year="1973",
author="Christiansen, Johannes and Gram, L. F.",
volume="25",
number="8",
pages="604-608",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3573",
doi="",
url="http://dx.doi.org/"
}