Name	Info	Provider	Link
	free resource	J-STAGE, Japan Science and Technology Information Aggregator, Electronic	https://joi.jlc.jst.go.jp/JST.Journalarchive/internalmedicine1992/41.377?from=PubMed
Helicobacter Pylori Infections	free resource	MedlinePlus Health Information	https://medlineplus.gov/helicobacterpyloriinfections.html