3Godtein P W, Chempitaz J C, Guevara J M, et al. Plarnidmediated resistance to multiple antibiotics in salmonella typhi. J Infect Dis, 1986,153:261-266.
4Godtein PW, Chempitaz JC, Guevara JM, et al. Plamidmediated resistance to multiple antibiotics in salmonella typhi. J Infect Dis, 1986,153:261 ~266.