@article{ref1,
title="Multiple fear-related stimuli enhance physiological arousal during extinction and reduce physiological arousal to novel stimuli and the threat conditioned stimulus",
journal="Behaviour research and therapy",
year="2018",
author="Waters, Allison M. and Kershaw, Rachel and Lipp, Ottmar V.",
volume="106",
number="",
pages="28-36",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0005-7967",
doi="10.1016/j.brat.2018.04.005",
url="http://dx.doi.org/10.1016/j.brat.2018.04.005"
}