title: DNA single-strand breaks of preheated cultured mammalian cells irradiated under nitrogen- and nitrous oxide-saturated conditions.
mesh_terms: D002478:Cells, Cultured; D003037:Cobalt Radioisotopes; D004277:DNA, Single-Stranded / Q000528:radiation effects*; D004307:Dose-Response Relationship, Radiation; D005720:Gamma Rays; D006358:Hot Temperature; D009584:Nitrogen; D009609:Nitrous Oxide; D011837:Radiation-Protective Agents / Q000494:pharmacology; D013890:Thiourea / Q000494:pharmacology
chemical_list: D003037:Cobalt Radioisotopes; D004277:DNA, Single-Stranded; D011837:Radiation-Protective Agents; D013890:Thiourea; D009609:Nitrous Oxide; D009584:Nitrogen