@article{ref1,
title="Growth mixture analysis of ABAN AYA violence prevention program",
journal="Japanese journal of behaviormetrics",
year="2004",
author="Sagawa, Eisuke and Flay, Brian and Li, Yanhong",
volume="30",
number="2",
pages="242-242",
abstract="[Abstract unavailable]Language: ja<p />",
language="",
issn="0385-5481",
doi="",
url="http://dx.doi.org/"
}