DOI: 10.1055/s-00000094

Zeitschrift für Gastroenterologie

References

DiPetrillo MD, Tibbetts T, Kleanthous H. et al.
Safety and immunogenicity of phoP/phoQ-deleted Salmonella typhi expressing Helicobacter pylori urease in adult volunteers. 
Vaccine 1999; 18 (5 – 6): 449-459  

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