Name	Info	Provider	Link
Bile Duct Diseases	free resource	MedlinePlus Health Information	https://medlineplus.gov/bileductdiseases.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33067645/
	subscription/membership/fee required	Springer	https://doi.org/10.1007/s00464-020-08093-3
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33067645