Name Info Provider Link
subscription/membership/fee required American Psychological Association http://content.apa.org/journals/pha/31/3/704
Drug Use and Addiction free resource MedlinePlus Health Information https://medlineplus.gov/druguseandaddiction.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=36048110.ui
Drug Use and Addiction free resource MedlinePlus Consumer Health Information https://medlineplus.gov/druguseandaddiction.html