Gao, Hanlin. "Characterization of cell lines resistant to topoisomerase targeting drugs and mechanistic studies of Quinoxaline solid tumor drugs - a new chemical class of topoisomerase II poisons /." Doctoral dissertation, Ohio State University, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488204276532156Chicago Manual of Style (17th edition)