TY - GEN AU - Sikora,K TI - The cyclotron saga continues SN - 0959-8138 PY - 1991///0826 KW - Fast Neutrons KW - therapeutic use KW - Humans KW - Neoplasm Metastasis KW - Particle Accelerators KW - Pelvic Neoplasms KW - radiotherapy N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1136/bmj.302.6792.1603-b ER -