TY  - RPRT
TI  - School-based substance use prevention programs: why do effects decay?
AU  - K Resnicow
AU  - G Botvin
PY  - 1993
DO  - 10.1006/pmed.1993.1039
UR  - https://pubmed.ncbi.nlm.nih.gov/8415498/
ID  - 8415498
ER  -