Fig. 4From: Metformin exhibits the anti-proliferation and anti-invasion effects in hepatocellular carcinoma cells after insufficient radiofrequency ablationToxicity of metformin on nude mice bearing with tumor. a Mice weight was measured with a scale every 3 days. b Heart, lung, liver and kidney sections were stained with haematoxylin and eosin (HE). Representative images were shown (200×). ns no significanceBack to article page