@article{ref1,
title="Health benefits of physical activity",
journal="CMAJ : Canadian Medical Association journal",
year="2006",
author="Desapriya, Ediriweera B. R. and Pike, Ian and Babul, Shelina",
volume="175",
number="7",
pages="776; author reply 777-776; author reply 777",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0820-3946",
doi="10.1503/cmaj.1060093",
url="http://dx.doi.org/10.1503/cmaj.1060093"
}