title: Studies on the biological effectiveness of high-energy electron beams at different depths in tissue-absorbing material.
mesh_terms: D002999:Clone Cells / Q000528:radiation effects*; D004583:Electrons; D006367:HeLa Cells / Q000528:radiation effects*; D008954:Models, Biological; D011830:Radiation Effects; D011874:Radiometry; D011882:Radiotherapy, High-Energy