Name	Info	Provider	Link
Skin Conditions	free resource	MedlinePlus Health Information	https://medlineplus.gov/skinconditions.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=20000870.ui
	subscription/membership/fee required	Springer	https://dx.doi.org/10.2165/11311110-000000000-00000
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:20000870