@article{ref1,
title="Regression to the mean--a confused concept",
journal="British journal of psychology (1953)",
year="1960",
author="Clarke, A. M. and Clarke, A. M. and Brown, R. I.",
volume="51",
number="",
pages="105-117",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1269",
doi="",
url="http://dx.doi.org/"
}