Name	Info	Provider	Link
Opioids and Opioid Use Disorder (OUD)	free resource	MedlinePlus Health Information	https://medlineplus.gov/opioidsandopioidusedisorderoud.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30238403/
	subscription/membership/fee required	Springer	https://dx.doi.org/10.1007/s11606-018-4664-7
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30238403
	free resource	scite Smart Citations	https://scite.ai/reports/30238403