A. Covacci, S. Censini, M. Bugnoli, R. Petracca, D. Burroni, G. Macchia, A. Massone, E. Papini, Z. Xiang, N. Figura,
Molecular characterization of the 128-kDa immunodominant antigen of Helicobacter pylori associated with cytotoxicity and duodenal ulcer Proceedings of the National Academy of Sciences of the United States of America. ,vol. 90, pp. 5791- 5795 ,(1993) ,
10.1073/PNAS.90.12.5791