@article{ref1,
title="The probability of crisis and strategies for preventive intervention",
journal="Archives of general psychiatry",
year="1968",
author="Schulberg, Herbert C. and Sheldon, A.",
volume="18",
number="5",
pages="553-558",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-990X",
doi="",
url="http://dx.doi.org/"
}