Use some of the databases recommend below. (Login required from off-campus). In most cases, "Advanced Search" will bring you better results. Watch the tutorials if you are not familiar with EBSCO or JSTOR.
Sample search on "prevalence of substance use disorders in adolescent patient populations" using EBSCO:
Feel free to contact me if you need further help. Contact info is on this page.
Academic Search Premier (EBSCO) |
Education Research Complete (EBSCO) |
CINAHL Complete (EBSCO) |
PsycInfo (EBSCO) |