title: Optimization of external beam radiotherapy: quantitative study of relative radiation effects and isoeffect patterns using PC-12 computer.
mesh_terms: D003201:Computers; D006801:Humans; D010386:Pelvic Neoplasms / Q000532:radiotherapy*; D011832:Radiation Injuries / Q000517:prevention & control; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy; D012062:Relative Biological Effectiveness; D013223:Statistics as Topic; D013997:Time Factors