
@article{ref1,
title="Meta‐analysis is no substitute for theory",
journal="Addiction",
year="2011",
author="Hammersley, Richard",
volume="106",
number="2",
pages="247-248",
abstract="<p>Comment on: Temple E., Brown R., Hine D. The ‘grass ceiling’: limitations in the literature hinder our understanding of cannabis use and its consequences. Addiction 2011 ; 106:238–44. </p>",
language="",
issn="0965-2140",
doi="10.1111/j.1360-0443.2010.03234.x",
url="http://dx.doi.org/10.1111/j.1360-0443.2010.03234.x"
}