TY - GEN AU - Trujillo, Carlos Andres AU - Obando, Diana AU - Trujillo, Angela PY - 12 SN - 1932-6203 UR - http://hdl.handle.net/10818/52862 AB - One of the major goals of drug use prevention programs is to delay the age of onset of substance use. What is called early initiation, usually occurring in adolescents under the age of 15, is a salient predictor of Substance Use Disorders later in... AB - El objetivo de este estudio fue disenar y validar una escala psicometrica para medir las actitudes hacia la violencia de pareja. Para ello se realizo una revision teorica, derivando a una tabla de especificaciones que guio la construccion de los... LA - eng PB - PloS one KW - Substance KW - Multilevel KW - Risk KW - Protective factors TI - An examination of the association between early initiation of substance use and interrelated multilevel risk and protective factors among adolescents DO - 10.1371/journal.pone.0225384 ER -