@article{ref1,
title="After-School Supervision, Psychosocial Impact, and Adolescent Smoking and Alcohol Use in China",
journal="Journal of child and family studies",
year="2006",
author="Weiss, Jie and Liu, Ipei and Sussman, Steve and Palmer, Paula and Unger, Jennifer B. and Cen, Steven and Chou, Chih-Ping and Johnson, Anderson",
volume="15",
number="4",
pages="442-459",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1062-1024",
doi="10.1007/s10826-006-9028-y",
url="http://dx.doi.org/10.1007/s10826-006-9028-y"
}