TY JOUR TI Physics of Proton Therapy Treatment Planning KW radiotherapy KW protons KW proton scattering KW range modulation KW pencil beam KW dose KW organ movement KW range uncertainty KW planning optimization JO Medical Radiology and radiation safety AU Klimanov, V.A. AU Samoylov, A.S. AU Udalov, Y.D. AU Gadzhinov,, A.E. AU Peshkin, Y.A. PY 2019 IS 64 PB Federal Medical Biological Agency of Russia