RT Article T1 Adolescent perceptions of alcohol risk: Variation by sex, race, student activity levels and parental communication JF Journal of ethnicity in substance abuse VO 13 IS 4 SP 385 OP 404 A1 Denham, Bryan E. 1967- LA English YR 2014 UL https://krimdok.uni-tuebingen.de/Record/1912450232 DO 10.1080/15332640.2014.958638