Name	Info	Provider	Link
	free resource	International Scientific Literature, Ltd.	https://amjcaserep.com/download/index/idArt/917275
Bile Duct Cancer	free resource	MedlinePlus Health Information	https://medlineplus.gov/bileductcancer.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31492829/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31492829
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-PTHrP-1