(ESBL-resistant) Extended-spectrum beta-lactamases (ESBLs) (ESBL-resistant) Extended-spectrum beta-lactamases (ESBLs) (ESBL-resistant) (ESBL-resistant) Extended-spectrum beta-lactamases (ESBLs) ESBL (ESBL-resistant) Extended-spectrum beta-lactamases (ESBLs) (ESBL-resistant) (ESBL-resistant) ESBL E. coli