TY - JOUR A1 - Balfour, J.L. A1 - Kaplan, G.A. T1 - Neighborhood environment and loss of physical function in older adults: evidence from the Alameda County Study Y1 - 2002 DO - 10.1093/aje/155.6.507 JF - American Journal of Epidemiology VL - 155 IS - 6 ER -