@article{ref1,
title="Low blood total cholesterol and mortality: Causality, consequence and confounders",
journal="American journal of cardiology",
year="1994",
author="Lewis, B. and Tikkanen, M. J.",
volume="73",
number="1",
pages="80-85",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-9149",
doi="",
url="http://dx.doi.org/"
}