Helicobacter based preparations comprising a pharmacologically active molecule of interest are disclosed, as well as methods of preparing and using said preparations. In particular, Helicobacter pylori vectors, vector plasmids and recombinant cells that include a sequence encoding a pharmacologically...http://www.google.es/patents/US8029777?utm_source=gb-gplus-sharePatente US8029777 - Helicobacter system and uses thereof
