Censini, S., Lange, C., Xiang, Z.Y., Crabtree, J.E., Ghiara, P., Borodovsky, M., Rappuoli, R. and Covacci, A. (1996) Cag, a Pathogenicity Island of Helicobacter pylori, Encodes Type I-Specific and Disease-Associated Virulence Factors. Proceedings of the National Academy of Sciences of the United States of America, 93, 14648-14653.
http://dx.doi.org/10.1073/pnas.93.25.14648

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