TY - JOUR A1 - Singh, G.K. A1 - Kogan, M.D. A1 - Slifkin, R.T. T1 - Widening disparities in infant mortality and life expectancy between Appalachia and the rest of the United States, 1990–2013 Y1 - 2017 DO - 10.1377/hlthaff.2016.1571 VL - 36 IS - 8 ER -