title: Sister chromatid exchanges in ageing and repair-deficient human fibroblasts.
mesh_terms: D002478:Cells, Cultured; D002842:Chromatids / Q000378:metabolism*; D002869:Chromosome Aberrations; D003434:Crossing Over, Genetic; D004260:DNA Repair; D005199:Fanconi Anemia / Q000378:metabolism; D006801:Humans; D013997:Time Factors; D014983:Xeroderma Pigmentosum / Q000378:metabolism