Name	Info	Provider	Link
Pyoderma gangrenosum	free resource	Genetic Alliance	https://www.diseaseinfosearch.org/result/6111
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=17935516.ui
	subscription/membership/fee required	Wiley	https://doi.org/10.1111/j.1365-2133.2007.08211.x
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/bjd/article-lookup/doi/10.1111/j.1365-2133.2007.08211.x