Name	Info	Provider	Link
Fistulas	free resource	MedlinePlus Health Information	https://medlineplus.gov/fistulas.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34338860/
	subscription/membership/fee required	Springer	https://dx.doi.org/10.1007/s00432-021-03747-8
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34338860
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-1496