@article{ref1,
title="Concomitants of smoking among high school students",
journal="Medical services journal, Canada",
year="1967",
author="Donald, M. N.",
volume="23",
number="11",
pages="1416-1435",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0368-9204",
doi="",
url="http://dx.doi.org/"
}