@article{ref1,
title="The mortality of miners and ex-miners in the rhondda fach",
journal="British journal of industrial medicine",
year="1964",
author="Cochrane, A. L. and Carpenter, R. G. and Moore, Fionna and Thomas, Jay C.",
volume="21",
number="5236",
pages="38-45",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1072",
doi="",
url="http://dx.doi.org/"
}