Izdebski, R.; Rutschmann, J.; Fiett, J.; Sadowy, E.; Gniadkowski, M.; Hryniewicz, W.; Hakenbeck, R.
Highly variable penicillin resistance determinants PBP 2x, PBP 2b, and PBP 1a in isolates of two Streptococcus pneumoniae clonal groups, Poland23F-16 and Poland6B-20 (2008), Antimicrob. Agents Chemother., 52, 1021-1027.