TY - DATA T1 - National Health Interview Survey: Longitudinal Study of Aging, 70 Years and Over, 1984-1990 AU - United States Department of Health and Human Services. Centers for Disease Control and Prevention. National Center for Health Statistics PY - 2011 DO - 10.3886/ICPSR08719.v7 PB - Inter-university Consortium for Political and Social Research [distributor] ER -