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=9933446.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/9933446/
	free resource	Wiley	https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0009-9104&date=1999&volume=115&issue=2&spage=221
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:9933446
	free resource	Silverchair Information Systems	https://academic.oup.com/cei/article-lookup/doi/10.1046/j.1365-2249.1999.00777.x