EN
The authors describe the results of investigations on the influence of phenol derivatives on the eggs of Ascaris lumbricoides. A destructive effect on these eggs showed: 2,4-dichlorophenol, 2,5-dichlorophenol, 2, 4, 5-trichlorophenol and 2,2-dihydroxy-3,3' -5,5' -6,6' chlorodiphenylomethane.