Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0006-4971(21)00487-0
Health Problems in Pregnancy	free resource	MedlinePlus Health Information	https://medlineplus.gov/healthproblemsinpregnancy.html
	subscription/membership/fee required	Silverchair Information Systems	https://ashpublications.org/blood/article-lookup/doi/10.1182/blood.2020005221