title: The chemical inhibition of the repair of single-strand breaks in DNA: post-irradiation sensitization to x-rays.
mesh_terms: D002470:Cell Survival; D002499:Centrifugation, Density Gradient; D004269:DNA, Bacterial / Q000096:biosynthesis*; D003864:Depression, Chemical; D004926:Escherichia coli / Q000187:drug effects / Q000378:metabolism*; D006918:Hydroxyurea / Q000494:pharmacology*; D009154:Mutation; D011831:Radiation Genetics; D011838:Radiation-Sensitizing Agents / Q000494:pharmacology*; D013941:Thymine / Q000378:metabolism; D014316:Tritium
chemical_list: D004269:DNA, Bacterial; D011838:Radiation-Sensitizing Agents; D014316:Tritium; D013941:Thymine; D006918:Hydroxyurea