title: Acquired radioresistance of tumour cells.
mesh_terms: D000818:Animals; D002286:Carcinoma, Ehrlich Tumor / Q000532:radiotherapy*; D004273:DNA, Neoplasm / Q000096:biosynthesis; D006639:Histidine / Q000378:metabolism; D006651:Histocytochemistry; D066298:In Vitro Techniques; D051379:Mice; D008938:Mitosis / Q000528:radiation effects; D011123:Polyploidy; D011831:Radiation Genetics; D013438:Sulfhydryl Compounds / Q000378:metabolism
chemical_list: D004273:DNA, Neoplasm; D013438:Sulfhydryl Compounds; D006639:Histidine