TY - JOUR A1 - Ullmann, S.H. A1 - Goldman, N. A1 - Massey, D.S. T1 - Social Science and Medicine Y1 - 2011Healthier before they migrate, less healthy when they return? The health of returned migrants in Mexico DO - 10.1016/j.socscimed.2011.05.037 JF - 73 VL - 3 IS - 421–428 ER -