Name	Info	Provider	Link
	free resource	Arthur C Huntley MD, California Digital Library	http://dermatology.cdlib.org/149/case_presentations/annularlpandcrohns/serrao.html
Crohn's Disease	free resource	MedlinePlus Health Information	https://medlineplus.gov/crohnsdisease.html
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-HLA-B-1