S. K. . Ahmed, J. J. . Kruse, T. B. . Bradley, C. J. . Beltran, and N. N. . Issa Laack, “Clinical efficacy and safety of a highly conformal, supine, hybrid forward and inverse planned intensity modulated radiation therapy technique for craniospinal irradiation”, AO, vol. 57, no. 5, pp. 629–636, May 2018.