Name	Info	Provider	Link
	free resource	Atypon	https://www.nejm.org/doi/10.1056/NEJM199908123410701?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0www.ncbi.nlm.nih.gov
Down Syndrome	free resource	MedlinePlus Health Information	https://medlineplus.gov/downsyndrome.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=10441601.ui
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:10441601