Filtering by: Committee Elliott, Michael A, Emory University Remove constraint Committee: Elliott, Michael A, Emory University Committee Lewis, Earl, Emory University Remove constraint Committee: Lewis, Earl, Emory University Committee Tullos, Allen, Emory University Remove constraint Committee: Tullos, Allen, Emory University Degree PhD Remove constraint Degree: PhD Keyword African Remove constraint Keyword: African Keyword Atlanta Remove constraint Keyword: Atlanta