1. High frequency of reduced susceptibility to penicillin in serogroup 29E meningococci 
L. Arreaza, J.A. Vázquez 
Clinical Microbiology and Infection 
Volume 6, Issue 4, Pages (April 2000)
DOI: /j x
Copyright © 2000 European Society of Clinical Infectious Diseases Terms and Conditions

2. Figure 1
Dendrogram of genetic relationship among 20 serogroup 29E meningococcal strains with different susceptibility patterns to penicillin (S: CMI ≤ 0.06 mg/L; R: CMI ≥ 0.12mg/L). The number of strains in each pattern is indicated in brackets.
Clinical Microbiology and Infection 2000 6, DOI: ( /j x)
Copyright © 2000 European Society of Clinical Infectious Diseases Terms and Conditions