Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=33&issue=2&spage=186&aulast=Mathias
Itching	free resource	MedlinePlus Health Information	https://medlineplus.gov/itching.html
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-ITCH-1