Name	Info	Provider	Link
	subscription/membership/fee required	Atypon	https://www.ahajournals.org/doi/10.1161/STROKEAHA.120.030478?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=51&issue=11&spage=3302&aulast=Kneihsl
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	subscription/membership/fee required	Wolters Kluwer	https://journals.lww.com/32883195.pmid