A reduced oxygen enhancement ratio for x-ray survival of HeLa cells in vitro, after treatment with 'Methotrexate'.
D003470:Culture Media; D046508:Culture Techniques; D006367:HeLa Cells; D000860:Hypoxia; D008727:Methotrexate / Q000494:pharmacology*; D009374:Neoplasms, Experimental / Q000188:drug therapy* / Q000532:radiotherapy*; D010100:Oxygen; D011830:Radiation Effects
D003470:Culture Media; D010100:Oxygen; D008727:Methotrexate