title: Investigation of the sister chromatid exchange (SCE) frequency in one patient with xeroderma pigmentosum.
mesh_terms: D003434:Crossing Over, Genetic; D004260:DNA Repair; D006801:Humans; D008214:Lymphocytes / Q000648:ultrastructure; D008937:Mitomycins / Q000494:pharmacology; D009154:Mutation; D012854:Sister Chromatid Exchange / Q000187:drug effects; D014983:Xeroderma Pigmentosum / Q000235:genetics*
chemical_list: D008937:Mitomycins