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	subscription/membership/fee required	Atypon	https://cdnsciencepub.com/doi/10.1139/cjpp-2016-0512?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=0008-4212&volume=95&issue=3&spage=268&aulast=Ahmet
Heart Failure	free resource	MedlinePlus Health Information	https://medlineplus.gov/heartfailure.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/28134561/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/28134561
	free resource	scite Smart Citations	https://scite.ai/reports/28134561