publication venue for IMPORTANCE OF REPAIR TO CELLULAR RADIATION SURVIVAL 1988 REMOVAL OF RADIATION-DAMAGE BY SUBPOPULATIONS OF PLATEAU-PHASE CHO CELLS, FRACTIONATED BY CENTRIFUGAL ELUTRIATION 1987 EFFECTS OF CELL AGE ON REPAIR OF RADIATION-DAMAGE 1982 RAPID REPAIR IN MITOTIC MAMMALIAN-CELLS 1979