Name	Info	Provider	Link
	free resource	Medknow Publications and Media Pvt Ltd	https://journals.lww.com/eusjournal/10.4103/eus.eus_23_20
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=32611848.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32611848/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/32611848
	free resource	scite Smart Citations	https://scite.ai/reports/32611848