@misc{indiciaec56593cc05f2, title = {A framework for understanding "evidence" in prevention research and programs.}, author = {Sheppard G Kellam and Doris J Langevin}, year = {2003}, doi = {10.1023/a:1024693321963}, url = {https://pubmed.ncbi.nlm.nih.gov/12940466/}, note = {Source identifier: 12940466} }