Name Info Provider Link
Helicobacter Pylori Infections free resource MedlinePlus Health Information https://medlineplus.gov/helicobacterpyloriinfections.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=11167867.ui
subscription/membership/fee required Wiley https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0007-1323&date=2001&volume=88&issue=2&spage=206
subscription/membership/fee required Silverchair Information Systems https://academic.oup.com/bjs/article-lookup/doi/10.1046/j.1365-2168.2001.01684.x