Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0006-4971(21)01869-3
Down Syndrome	free resource	MedlinePlus Health Information	https://medlineplus.gov/downsyndrome.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34758059/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34758059
	subscription/membership/fee required	Silverchair Information Systems	https://ashpublications.org/blood/article-lookup/doi/10.1182/blood.2021011463