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Antibiotic susceptibility patterns of bacterial isolates recovered from urine samples obtained from 171 participating nursing home residents (during a total of 240 episodes of clinically suspected UTI) from 5 nursing homes in New Haven, Connecticut (May 2005–May 2007). The varying widths of vertical bars are proportional to the varying sample sizes, which are noted at the top of each bar. *All gram-positive organisms have been excluded.
