Figure 1From: Mechanisms, molecular and sero-epidemiology of antimicrobial resistance in bacterial respiratory pathogens isolated from Japanese childrenPhylogenetic relationships based on sequence-type variations found in Haemophilus influenzae that were β-lactamase nonproducing ampicillin-resistant with β-lactamase nonproducing ampicillin-sensitive (BLNAS; n = 14).Back to article page