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/18327673/
	subscription/membership/fee required	Springer	https://doi.org/10.1007/s00213-008-1105-z
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/18327673
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:18327673