Name Info Provider Link
subscription/membership/fee required Ingenta plc https://www.ingentaconnect.com/openurl?genre=article&issn=1044-3983&volume=35&issue=1&spage=7&aulast=Figgatt
Opioids and Opioid Use Disorder (OUD) free resource MedlinePlus Health Information https://medlineplus.gov/opioidsandopioidusedisorderoud.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=37820243.ui
subscription/membership/fee required Wolters Kluwer https://doi.org/10.1097/EDE.0000000000001681