Figure 1From: Characterization of Shigella sonnei in Malaysia, an increasingly prevalent etiologic agent of local shigellosis cases Dendrogram of S. sonnei PFGE patterns generated by UPGMA clustering method using Dice coefficient. Key: all sensitive (#), ampicillin (A), chloramphenicol (C), streptomycin (S), tetracycline (T), and trimethoprim–sulfamethoxazole (Sx).Back to article page