SEARCH Articles Figures Tables Characterization of Base Modifications and Covalent Adducts Covalent PAH o-Quinone-DNA Adducts Covalent adduct formation Covalent adductions Covalent adductions Covalent adducts of carbocations Covalent anionic adducts, formation Covalent anionic adducts, formation anion Covalent neutral adducts, formation