title: Repair of x-ray damage in DNA of cultivated cells from patients having xeroderma pigmentosum.
mesh_terms: D001345:Autoradiography; D002499:Centrifugation, Density Gradient; D003470:Culture Media; D004261:DNA Replication / Q000528:radiation effects*; D005347:Fibroblasts / Q000378:metabolism; D006801:Humans; D066298:In Vitro Techniques; D009154:Mutation; D011743:Pyrimidines / Q000096:biosynthesis; D011830:Radiation Effects; D013539:Simian virus 40 / Q000528:radiation effects; D014316:Tritium; D014983:Xeroderma Pigmentosum / Q000201:enzymology / Q000378:metabolism*
chemical_list: D003470:Culture Media; D011743:Pyrimidines; D014316:Tritium