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=33455586.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33455586/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33455586
	subscription/membership/fee required	Cambridge University Press	https://www.cambridge.org/core/product/identifier/S0033291720005267/type/journal_article
	free resource	scite Smart Citations	https://scite.ai/reports/33455586