http://en.wikipedia.org/wiki/H_pylori http://en.wikipedia.org/wiki/H_pylori H.Pylori Robin Warren http://en.wikipedia.org/wiki/H_pylori http://en.wikipedia.org/wiki/H_pylori Robin Warren Helicobacter pylori http://en.wikipedia.org/wiki/H_pylori Robin Warren Helicobacter pylori Helicobacter pylori