title: Action of hydroxyurea on survival of EMS-treated or U.V.-irradiated HeLa cells.
mesh_terms: D002470:Cell Survival; D004247:DNA / Q000096:biosynthesis; D004261:DNA Replication; D006367:HeLa Cells / Q000187:drug effects* / Q000528:radiation effects*; D006918:Hydroxyurea / Q000494:pharmacology*; D008697:Methane; D008722:Methods; D013450:Sulfones; D014466:Ultraviolet Rays
chemical_list: D013450:Sulfones; D004247:DNA; D008697:Methane; D006918:Hydroxyurea