Name	Info	Provider	Link
Tumors and Pregnancy	free resource	MedlinePlus Health Information	https://medlineplus.gov/tumorsandpregnancy.html
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-HLA-C-1
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:15613461
	subscription/membership/fee required	Sheridan PubFactory	https://erc.bioscientifica.com/doi/10.1677/erc.1.00828