Saray RamírezSofía GanaDaniela ValenzuelaRicardo ArayaJorge Gaete2026-03-222026-03-222021https://andeanlibrary.org/handle/123456789/70864enScale (ratio)PsychologySubstance useClinical psychologyPsychiatryValidation of the Substance Use Risk Profile Scale (SURPS) among early adolescents in Chilearticle