Figure 6From: Dual tracer evaluation of dynamic changes in intratumoral hypoxic and proliferative states after radiotherapy of human head and neck cancer xenografts using radiolabeled FMISO and FLT Microscopy images and quantitative analysis of Ki-67 labeling index. (A) Microscopy images and (B) quantitative analysis of Ki-67 labeling index. (A) Representative images of Ki-67 staining (brown staining in Ki-67 positive cells). (B) Mean Ki-67 labeling index ± SD.Back to article page