Instruction Source:
T53.7X4SToxic eff of halgn deriv of aromatic hydrocrb, undet, sqla
T53.7X4SToxic eff of halgn deriv of aromatic hydrocrb, undet, sqla
T53.7X4Toxic effect of other halogen derivatives of aromatic hydrocarbons, undetermined
T53.7XToxic effects of other halogen derivatives of aromatic hydrocarbons
T53.7Toxic effects of other halogen derivatives of aromatic hydrocarbons
T53Toxic effect of halogen derivatives of aliphatic and aromatic hydrocarbons
T51-T65Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
S00-T88Injury, poisoning and certain other consequences of external causes