title: Cytogenetic analyses of lymphocytes from workers in a nickel refinery.
mesh_terms: D002869:Chromosome Aberrations; D003434:Crossing Over, Genetic / Q000187:drug effects*; D006801:Humans; D008214:Lymphocytes / Q000166:cytology*; D009532:Nickel / Q000009:adverse effects*; D009784:Occupational Diseases / Q000139:chemically induced; D012854:Sister Chromatid Exchange / Q000187:drug effects*
chemical_list: D009532:Nickel