Name	Info	Provider	Link
	subscription/membership/fee required	Atypon	https://www.healthaffairs.org/doi/10.1377/hlthaff.2015.1086?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
	free resource	scite Smart Citations	https://scite.ai/reports/26858370