Novel genetic environment of qnrB2 associated with TEM-1 and SHV-12 on pB1004, an IncHI2 plasmid, in Salmonella Bredeney BB1047 from Spain. by Gutierrez, B, Herrera-Leon, S, Escudero, J, Hidalgo, L, Gonzalez-Sanz, R, Arroyo, M, San Millan, A, Echeita, M, Gonzalez-Zorn, B