Name	Info	Provider	Link
Opioids and Opioid Use Disorder (OUD)	free resource	MedlinePlus Health Information	https://medlineplus.gov/opioidsandopioidusedisorderoud.html
	subscription/membership/fee required	Nature Publishing Group	https://doi.org/10.1038/npp.2014.188
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25060491/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/25060491
	free resource	scite Smart Citations	https://scite.ai/reports/25060491