筛选: Committee Berman, Gordon, Emory University 删除限定条件 Committee: Berman, Gordon, Emory University Committee Roth, Connie, Emory University 删除限定条件 Committee: Roth, Connie, Emory University Committee Weissman, Daniel, Emory University 删除限定条件 Committee: Weissman, Daniel, Emory University Degree Ph.D. 删除限定条件 Degree: Ph.D. Submission Type Dissertation 删除限定条件 Submission Type: Dissertation