RT Article T1 Perceived neighborhood illicit drug selling, peer illicit drug disapproval and illicit drug use among U.S. high school seniors JF Substance abuse treatment, prevention, and policy VO 9 A1 Duncan, Dustin A2 Williams, James A2 Palamar, Joseph LA English YR 2014 UL https://krimdok.uni-tuebingen.de/Record/1912648954 DO 10.1186/1747-597X-9-35