Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0198-8859(19)30138-7
Heart Transplantation	free resource	MedlinePlus Health Information	https://medlineplus.gov/hearttransplantation.html
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-HLA-B-1
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S0198-8859(19)30138-7