TY JOUR TI Postradiation Effects of Low Intensity Electromagnetic Radiation with a Frequency of 900 MHz in Rat Liver KW electromagnetic radiation KW low intensity KW frequency 900 MHz KW single and fractional irradiation KW creatine kinase KW nucleus-nucleolar apparatus KW liver KW blood serum KW rats JO Medical Radiology and radiation safety AU Petrosyan, M.S. AU Nersesova, L.S. AU Karalova, E.M. AU Avetisyan, A.S. AU Abroyan, L.O. AU Akopian, L.A. AU Gazaryants, M.G. AU Akopian, J.I. PY 2020 IS 65 PB Federal Medical Biological Agency of Russia