TY - GEN AU - Stebbings,J H TI - Natural background radiation, altitude, and oxygen toxicity SN - 0017-9078 PY - 1999///0421 KW - Altitude KW - Background Radiation KW - adverse effects KW - Humans KW - Neoplasms KW - epidemiology KW - Oxygen KW - toxicity KW - Radiation Tolerance N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1097/00004032-199904000-00013 ER -