Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=1021-335X&volume=20&issue=6&spage=1305&aulast=Burgdorf
Colorectal Cancer	free resource	MedlinePlus Health Information	https://medlineplus.gov/colorectalcancer.html
	subscription/membership/fee required	Spandidos Publications	https://www.spandidos-publications.com/or/20/6/1305
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:19020707