Updated results of a pilot study of low dose craniospinal irradiation plus chemotherapy for children under five with cerebellar primitive neuroectodermal tumors (medulloblastoma). - Goldwein,J.W.; Radcliffe,J.; Johnson,J.; Moshang,T.; Packer,R.J. (Int J Radiat Oncol Biol Phys, 1996)