High prevalence of 'bla IND. CTX-M' extended spectrum beta-lactamase genes in Klebsiella pneumoniae isolates from a tertiary care hospital: first report of 'bla IND. SHV-12', 'bla IND. SHV-31', 'bla IND. SHV-38', and 'bla IND. CTX-M-15' in Brazil - Tollentino, Fernanda M; Polotto, Milena; Nogueira, Maurício Lacerda; Lincopan, Nilton; Neves, Patrícia; Mamizuka, Elsa Masae; Remeli, Gisele A; Almeida, Margarete Teresa Gottardo de; Rúbio, Fernando Gôngora; Nogueira, Mara C. L (Microbial Drug Resistance, 2011)