9Hunter PA, Reeves DS. The current status of surveillance of resistance to antimicrobial agents: report on a meeting. J Antimicrob Chemother, 2002, 49( 1 ) : 17-23.
10Kang SG, Lee DY, Shin SJ, et al. Changes in patterns of antimicrobiol susceptibility and class I integron carriage among Escherichia cola isolates. J Vet Sec, 2005, 6(3): 201-205.
