Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S2468-7847(17)30006-5
Twins, Triplets, Multiple Births	free resource	MedlinePlus Health Information	https://medlineplus.gov/twinstripletsmultiplebirths.html
	free resource	scite Smart Citations	https://scite.ai/reports/28403975