Figure 1

The pathological analysis of Chinese hamster buccal pouch carcinogenesis between control group and treatment group using HE (hematoxylin and eosin) stain (a) The control group; (b) The sixth week group; (c,d) The ninth week group; (e,f) The twelfth week group; (g) The fifteenth week group. The magnification = 200×, Scale bar = 100 μm.