Toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, accidental (unintentional), initial encounter
toxic effect of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons, accidental (unintentional), initial encounter
Toxic eff of unsp halgn deriv of aromat hydrocrb, acc, init
toxic eff of unsp halgn deriv of aromat hydrocrb, acc, init