Name	Info	Provider	Link
Neural Tube Defects	free resource	MedlinePlus Health Information	https://medlineplus.gov/neuraltubedefects.html
	subscription/membership/fee required	Wiley	https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0009-9163&date=1988&volume=34&issue=2&spage=98