Name	Info	Provider	Link
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=31385847.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31385847/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31385847
	subscription/membership/fee required	Wolters Kluwer	https://doi.org/10.1097/ADM.0000000000000552