TY JOUR TI Radiation Protection of Personnel in Contact Radiation Therapy in Ophthalmology KW ophthalmology KW contact radiotherapy KW personnel KW personal protective equipment JO Medical Radiology and radiation safety AU Kashirina, O.G. AU Timofeev, L.V. AU Likhvantseva, V.G. PY 2021 IS 66 PB Federal Medical Biological Agency of Russia