Filtering by: Committee Kramer, Michael R, Emory University Remove constraint Committee: Kramer, Michael R, Emory University Committee Cragan, Janet, Centers for Disease Control and Prevention Remove constraint Committee: Cragan, Janet, Centers for Disease Control and Prevention Keyword Epidemiology Remove constraint Keyword: Epidemiology Keyword Birth Defects Remove constraint Keyword: Birth Defects Submission Type Master's Thesis Remove constraint Submission Type: Master's Thesis