title: On mechanisms of radioresistance of tumors.
mesh_terms: D000818:Animals; D002999:Clone Cells / Q000528:radiation effects; D003582:Cytogenetics; D005260:Female; D008297:Male; D008938:Mitosis / Q000528:radiation effects; D009368:Neoplasm Transplantation; D009374:Neoplasms, Experimental; D010051:Ovarian Neoplasms / Q000532:radiotherapy*; D011830:Radiation Effects; D051381:Rats