| http://www.w3.org/ns/prov#value | - ??They do a lot of things you would expect gang members to do in the United States and other regions of the world--engaging in crime, violence, vandalism, hanging out, using substances such as alcohol or drugs,?? said Pyrooz. ??We observed a pretty high rate of substance abuse, at least with marijuana and alcohol with this sample in China.??
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