Name	Info	Provider	Link
Periventricular leukomalacia	free resource	Genetic Alliance	https://www.diseaseinfosearch.org/result/5679
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=21895644.ui
	free resource	Wiley	https://onlinelibrary.wiley.com/doi/10.1111/j.1469-8749.2011.04108.x