Roldan-Valadez, Ernesto, et al. “Radioneurosurgery Unit, National Institute of Neurology and Neurosurgery. Mexico City, Mexico. Av. Insurgentes Sur 3877. CP 14269. Mexico City, Mexico”. Radiology and Oncology, vol. 48, no. 2, May 2014, https://radioloncol.com/index.php/ro/article/view/2034.