Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0755-4982(16)30317-7
Opioids and Opioid Use Disorder (OUD)	free resource	MedlinePlus Health Information	https://medlineplus.gov/opioidsandopioidusedisorderoud.html
	subscription/membership/fee required	Masson (France)	http://www.em-consulte.com/retrieve/pii/S0755-4982(16)30317-7
	free resource	scite Smart Citations	https://scite.ai/reports/27823911