@article{ref1,
title="Chronic obstructive lung disease in Japanese poison gas workers",
journal="American review of respiratory disease",
year="1970",
author="Nishimoto, Y. and Burrows, Belton and Miyanishi, M. and Katsuta, S. and Shigenobu, T. and Kettel, L. J.",
volume="102",
number="2",
pages="173-179",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-0805",
doi="",
url="http://dx.doi.org/"
}