@article{ref1,
title="Human studies",
journal="Science",
year="1969",
author="Beecher, H. K.",
volume="164",
number="885",
pages="1256-1258",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-8075",
doi="",
url="http://dx.doi.org/"
}