the cytogenetic analysis of persons occupationally exposed to synthetic resins has revealed a true increase in the average frequency of cells with chromosome aberrations : 5.5 % for epoxy resin ( 146 persons ) , 6.1 % for polyvinylchloride ( 52 persons ) , and 5.0 % for phenolformaldehyde ( 31 persons ) .
C0035192
synthetic resins
C0014631
epoxy resin