Name	Info	Provider	Link
	free resource	BioMed Central	https://systematicreviewsjournal.biomedcentral.com/articles/10.1186/s13643-019-1217-z
Drug Use and Addiction	free resource	MedlinePlus Health Information	https://medlineplus.gov/druguseandaddiction.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31837700/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31837700
Drug Use and Addiction	free resource	MedlinePlus Consumer Health Information	https://medlineplus.gov/druguseandaddiction.html