Figure 6.

Tumor necrosis.(A) Ultrasound images of tumor; (B) Necrosis rate of tumor. a: saline control group; b: recombinant Bifidobacterium infantis containing pTRKH2-PsT plasmid group; c: recombinant Bifidobacterium infantis containing pTRKH2-PsT/sKDR plasmid group. The arrow shows the necrotic area. *P < 0.05 vs. group a; P < 0.05 vs. group b.

Li et al. BMC Cancer 2012 12:155   doi:10.1186/1471-2407-12-155
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