Fig. 8: The steps to produce an in vivo model.

a Five 125I seeds were placed close together in a disposable ureteral catheter, and the end of the catheter was stitched with a suture to secure the 125I. b The disposable ureteral catheter including the 125I seeds was fixed in the oral cavity. c The rats were administered food and estazolam through a disposable ureteral catheter when they were irradiated. d The flow chart of this study