@article{ref1,
title="Association of asymmetrical facial photodamage with automobile driving",
journal="Archives of dermatology",
year="1994",
author="Singer, R. S. and Hamilton, T. A. and Voorhees, J. J. and Griffiths, C. E.",
volume="130",
number="1",
pages="121-123",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-987X",
doi="",
url="http://dx.doi.org/"
}