Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0022-5223(14)02004-2
Ventricular septal defects	free resource	Genetic Alliance	https://www.diseaseinfosearch.org/result/7373
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=25703407.ui