Authors:
Karlowsky, JA
Nealy, L
Sahm, DF
Thornsberry, C
Jones, ME
Citation: Ja. Karlowsky et al., Trends in ciprofloxacin nonsusceptibility and levofloxacin resistance among Streptococcus pneumoniae isolates in North America, J CLIN MICR, 39(7), 2001, pp. 2748-2749