1. Changes in antimicrobial resistance, serotypes and genotypes in Streptococcus pneumoniae over a 30-year period 
J. Liñares, C. Ardanuy, R. Pallares, A. Fenoll 
Clinical Microbiology and Infection 
Volume 16, Issue 5, Pages (May 2010)
DOI: /j x
Copyright © 2010 European Society of Clinical Infectious Diseases Terms and Conditions

2. Fig. 1
Trends in penicillin and erythromycin resistance among invasive pneumococcal isolates in patients of all ages in Spain (1979–2008). Ery-R, erythromycin resistance; PCV7, seven-valent pneumococcal conjugate vaccine.
Clinical Microbiology and Infection  , DOI: ( /j x)
Copyright © 2010 European Society of Clinical Infectious Diseases Terms and Conditions