title: Prolonged increase of sister-chromatid exchanges in lymphocytes of melanoma patients after CCNU treatment.
mesh_terms: D002869:Chromosome Aberrations; D002877:Chromosomes, Human / Q000187:drug effects*; D003434:Crossing Over, Genetic; D006801:Humans; D008130:Lomustine / Q000494:pharmacology* / Q000627:therapeutic use; D008214:Lymphocytes / Q000648:ultrastructure; D008545:Melanoma / Q000188:drug therapy / Q000235:genetics*; D009607:Nitrosourea Compounds / Q000494:pharmacology*
chemical_list: D009607:Nitrosourea Compounds; D008130:Lomustine