Figure 1From: Experimental iodine-125 seed irradiation of intracerebral brain tumors in nude miceStereotactic screw. The in-house developed hollow plastic stereotactic screw for implantation in the mouse skull. The inner diameter was 0.9 mm to tightly fit an 125I brachytherapy seed. Dimensions are given in mm. M3: metric screw thread 3.Back to article page