TY - JOUR AU - Guralnik, J; Ferrucci, L; Pieper, C F TI - Lower extremity function and subsequent disability: consistency across studies, predictive models, and value of gait speed alone compared with the short physical performance battery JO - J Gerontol A Biol Sci Med Sci VL - 55 PY - 2000 DO - 10.1093/gerona/55.4.M221 L3 - PubMed-ID: 10811152 SP - M221 EP - M231 ER -