Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0198-8859(21)00063-X
Health Problems in Pregnancy	free resource	MedlinePlus Health Information	https://medlineplus.gov/healthproblemsinpregnancy.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33715911/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33715911
	free resource	scite Smart Citations	https://scite.ai/reports/33715911