Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=41&issue=3&spage=304&aulast=Zwingelberg
Corneal Disorders	free resource	MedlinePlus Health Information	https://medlineplus.gov/cornealdisorders.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=33935237.ui
	free resource	scite Smart Citations	https://scite.ai/reports/33935237
	subscription/membership/fee required	Wolters Kluwer	https://doi.org/10.1097/ICO.0000000000002737