Toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, undetermined, sequela
toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, undetermined, sequela
Tox eff of unsp halgn deriv of aromat hydrocrb, undet, sqla
tox eff of unsp halgn deriv of aromat hydrocrb, undet, sqla