@article{ref1,
title="Commentary on Kelty & Hulse (2012): is the comparison of mortality between patients prescribed implanted or oral naltrexone an unbiased and unconfounded comparison?",
journal="Addiction",
year="2012",
author="Hickman, Matt and Degenhardt, Louisa and Farrell, Michael and Hall, Wayne",
volume="107",
number="10",
pages="1825-1826",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0965-2140",
doi="10.1111/j.1360-0443.2012.03966.x",
url="http://dx.doi.org/10.1111/j.1360-0443.2012.03966.x"
}