Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=21883161.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21883161/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/21883161
	subscription/membership/fee required	Wiley	https://doi.org/10.1111/j.1467-8624.2011.01640.x
	free resource	Collaborative Study on the Genetics of Alcoholism	http://cogastudy.org/resources-for-researchers/