J. Tom Mueller (IMAGE) University of Oklahoma Caption A study led by J. Tom Mueller, Ph.D., research assistant professor in the Department of Geography and Environmental Sustainability in the College of Atmospheric and Geographic Sciences, and the Department of Sociology in the Dodge Family College of Arts and Sciences, will examine the impact of Medicaid expansion across the United States to determine whether reduced mortality rates bear out across rural and urban communities as well as across ethnic or racial groups. Credit Image provided by the University of Oklahoma Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.