Name	Info	Provider	Link
	subscription/membership/fee required	IOS Press	https://content.iospress.com/openurl?genre=article&issn=1387-2877&volume=17&issue=2&spage=243
Clinical Trials	free resource	MedlinePlus Health Information	https://medlineplus.gov/clinicaltrials.html
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:19502708