MARTINEZ-FLORES, I.; OROPEZA, R.; CANO, R.; SAMPIERI, C. L.; PUENTE, J. L.; CALVA, E. Novel Porin genes and modes of Porin regulation in <em>Salmonella typhi</em&gt;. Medical Journal of Indonesia, v. 7, n. Supp1, p. 25-9, 1 Oct. 1998.