“…The mutagenicity of dichlorvos has been extensively studied and reviewed (IARC, 1991;Moutschen-Dahmen et al, 1984;Wild, 1975). In bacteria and yeast, dichlorvos was found to have a mutagenic effect by many studies (Ashwood-Smith, 1972;Benigni et al, 1980;Kada et al, 1980;Nagy et al, 1975;Shirasu et al, 1976;Voogd et al, 1972).…”