@article{ref1,
title="Familial similarity in pattern A behavior. Fathers and sons",
journal="Journal of chronic diseases",
year="1970",
author="Bortner, R. W. and Rosenman, R. H. and Friedman, M.",
volume="23",
number="1",
pages="39-43",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9681",
doi="",
url="http://dx.doi.org/"
}