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Copyright ©The Author(s) 2018.
World J Methodol. Dec 14, 2018; 8(4): 51-58
Published online Dec 14, 2018. doi: 10.5662/wjm.v8.i4.51
Figure 2
Figure 2 Positioning of the patient. A: Gamma knife and the patient position before the treatment procedure; B: Sources of radioactive cobalt are hidden in the in the “helmet” of the gamma knife, which is located over the patient’s head.