Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=1057-0829&volume=30&issue=6&spage=508&aulast=Kung
Glaucoma	free resource	MedlinePlus Health Information	https://medlineplus.gov/glaucoma.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=33675337.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33675337/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33675337
	free resource	scite Smart Citations	https://scite.ai/reports/33675337
	subscription/membership/fee required	Wolters Kluwer	https://doi.org/10.1097/IJG.0000000000001827