@article{ref1,
title="The first drink: psychobiological aspects of craving",
journal="Archives of general psychiatry",
year="1974",
author="Ludwig, A. M. and Wikler, A. and Stark, L. H.",
volume="30",
number="4",
pages="539-547",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-990X",
doi="",
url="http://dx.doi.org/"
}