Quinolones

Susceptibility to fluoroquinolones among commonly isolated Gram-negative bacilli in 2000: TRUST and TSN date for the United Sates. Tracking Resistance in the United States Today. The Surveillance Network.
Int J Antimicrob Agents. 2002 Jan;19(1):21-31.
TRUST 2002 Study shows levofloxacin resistance remains rare in S. pneumoniae