Name	Info	Provider	Link
Collagenous Colitis	free resource	Genetic Alliance	https://www.diseaseinfosearch.org/result/1722
Helicobacter Pylori Infections	free resource	MedlinePlus Health Information	https://medlineplus.gov/helicobacterpyloriinfections.html
	subscription/membership/fee required	Georg Thieme Verlag Stuttgart, New York	https://www.thieme-connect.com/DOI/DOI?10.1055/s-2005-858155