Screen shot of Medscape’s home page at emedicine.medscape.com. Medscape is a free, continuously updated evidence-based resource that provides background information.
Screen shot of NREPP’s intervention search. NREPP is a free database of behavioral health and substance abuse treatments at www.nrepp.samhsa.gov.
Screen shot of the search engine Google’s home page at www.google.com.
Screen shot of the Wikipedia page for “Addiction” (as of March 2016). Wikipedia ( www.wikipedia.org) is a Web-based encyclopedia that provides over 35 million articles on background information on a wide range of topics.
Screen shot of the Cochrane Library home page on the Wiley platform at www.cochranelibrary.com.
Screen shot of the Campbell Collaboration (C2) Library of Systematic Reviews. This free resource is available at www.campbellcollaboration.org/lib/.
Screen shot of the BMJ Clinical Evidence home page available via subscription at www.clinicalevidence.com.