The Helicobacter Foundation -
 Dedicated to providing the latest information about H. pylori. The founder, Barry Marshall, is the scientist who swallowed H. pylori to prove a causal relationship with peptic ulcer for the first time.
http://www.helico.com/

Helicobacter pylori fecal antigen test -
 Hpsa test to diagnose Helicobacter pylori stomach infection and check the eradication simply by testing a fecal specimen.
http://www.mdeur.com/hpsa.htm

Helicobacter pylori in Peptic Ulcer Disease -
 National Institutes of Health Consensus Development Conference Statement, February 7-9, 1994
http://text.nlm.nih.gov/nih/cdc/www/94.html

Mamas Health: Helicobacter Pylori -
 Offers information about this spiral shaped bacterium which lives in the stomach and duodenum.
http://www.mamashealth.com/stomach3.asp

West Shore Endoscopy Center: Helicobacter Pylori -
Provides an explanation and illustrations of how the H. pylori bacteria infects the stomach and duodenum.
http://www.endowsec.com/pated/ecdgs30.htm