Name	Info	Provider	Link
	free resource	Baishideng Publishing Group Inc.	https://www.wjgnet.com/1007-9327/full/v18/i22/2821.htm
Collagenous Colitis	free resource	Genetic Alliance	https://www.diseaseinfosearch.org/result/1722
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22719191/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/22719191