Name	Info	Provider	Link
	free resource	Medknow Publications and Media Pvt Ltd	http://www.medgasres.com/article.asp?issn=2045-9912;year=2021;volume=11;issue=3;spage=121;epage=123;aulast=Deng
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=33942783.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33942783/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33942783
	free resource	scite Smart Citations	https://scite.ai/reports/33942783