TY - JOUR A1 - Verbrugge, L.M. A1 - Rennert, C. A1 - Madans, J.H. T1 - The great efficacy of personal and equipment assistance in reducing disability Y1 - 1997 DO - 10.2105/AJPH.87.3.384 JF - American Journal of Public Health VL - 87 IS - 3 SP - 384 EP - -392 ER -