Name	Info	Provider	Link
Trisomy 18	free resource	Genetic Alliance	https://www.diseaseinfosearch.org/result/2476
Prenatal Testing	free resource	MedlinePlus Health Information	https://medlineplus.gov/prenataltesting.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=27117469.ui
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:27117469
	free resource	scite Smart Citations	https://scite.ai/reports/27117469
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/clinchem/article-lookup/doi/10.1373/clinchem.2015.252502