TY - JOUR A1 - Manton, K.G. A1 - Gu, X. A1 - Lowrimore, G.R. T1 - Cohort Changes in Active Life Expectancy in the U.S. Elderly Population: Experience From the 1982–2004 National Long-Term Care Survey Y1 - 2008 DO - 10.1093/geronb/63.5.S269 JF - The Journals of Gerontology Series B: Psychological Sciences and Social Sciences VL - 63 IS - 5 SP - S269 EP - -S281 ER -