1. Felmingham D, Grüneberg RN, the Alexander Project Group (2000) The Alexander project 1996–1997: latest susceptibility data from this international study of bacterial pathogens from community-acquired lower respiratory tract infections. JAC 45:191–203
2. Jacobs MR, Felmingham D, Appelbaum PC, Grüneberg RN et al (2003) The Alexander project 1998–2002: susceptibility of pathogens isolated from community-acquired respiratory tract infection to commonly used antimicrobial agents. JAC 52:229–246
3. Klugman KP (1990) Pneumococcal resistance to antibiotics. Clin Microbiol Rev 3:171–196
4. Beekmann SE, Heilmann KP, Richter SS, Garcia-de-Lomas J, Doern GV (2005) Antimicrobial resistance in Streptococcus pneumoniae, Haemophilus influenzae, Moraxella catarrhalis and group A β-hemolytic streptococci in 2002–2003: results of the multinational GRASP Surveillance Program. Int J Antimicrob Agents 25:148–156
5. Jones ME, Blosser-Middleton RS, Critchley IA, Karlowsky JA, Thornsberry C, Sahm DF (2003) In vitro susceptibility of Streptococcus pneumoniae, Haemophilus influenzae and Moraxella catarrhalis: a European multicenter study during 2000–2001. CMI 9:590–599