title: Hypoxic cell sensitizers: early or late in fractionated therapy?
mesh_terms: D002470:Cell Survival / Q000528:radiation effects; D006801:Humans; D000860:Hypoxia; D009369:Neoplasms / Q000532:radiotherapy*; D011838:Radiation-Sensitizing Agents / Q000008:administration & dosage*; D013997:Time Factors
chemical_list: D011838:Radiation-Sensitizing Agents