Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S1477-5131(07)00464-0
Neural tube defects	free resource	Genetic Alliance	https://www.diseaseinfosearch.org/result/8992
Neural Tube Defects	free resource	MedlinePlus Health Information	https://medlineplus.gov/neuraltubedefects.html