TY JOUR TI Lifetime Risk of Lung Cancer Death for Inhalation 239Pu KW radiation safety standards KW lifetime risk KW inhalation intake KW Plutonium-239 JO Medical Radiology and radiation safety AU Vasilenko, E.. AU Efimov, A.. AU Vostrotin, V.. AU Sokolnikov, M.. AU Romanov, S.. PY 2017 IS 62 PB Federal Medical Biological Agency of Russia