TY - DATA T1 - Vietnam Era Twin Study of Aging (VETSA), United States, 2002-2019 AU - Kremen, William S. AU - Franz, Carol E. AU - Lyons, Michael J. PY - 2025 DO - 10.3886/ICPSR38836.v1 PB - Inter-university Consortium for Political and Social Research [distributor] ER -