TY - JOUR A1 - Martin, L.G. A1 - Zimmer, Z. A1 - Lee, J. T1 - Foundations of activity of daily living trajectories of older Americans Y1 - 2015 DO - 10.1093/geronb/gbv074 JF - Journal of Gerontology: Social Sciences VL - 72 IS - 1 ER -