title: [Incidence of chromosome aberrations and sister-chromatid exchange in the peripheral blood lymphocytes of workers exposed to methyl-parathion].
mesh_terms: D000328:Adult; D002869:Chromosome Aberrations; D005260:Female; D006801:Humans; D008214:Lymphocytes / Q000648:ultrastructure; D008297:Male; D008743:Methyl Parathion / Q000633:toxicity*; D008875:Middle Aged; D010278:Parathion / Q000031:analogs & derivatives*; D012854:Sister Chromatid Exchange / Q000187:drug effects*
chemical_list: D008743:Methyl Parathion; D010278:Parathion