TY - RPRT TI - Identifying high school students "at risk" for substance use and other behavioral problems: implications for prevention. AU - Denise Hallfors AU - Hyunsan Cho AU - Paul H Brodish AU - Robert Flewelling AU - Shereen Khatapoush PY - 2006 DO - 10.1080/10826080500318509 UR - https://pubmed.ncbi.nlm.nih.gov/16393732/ ID - 16393732 ER -