Prevalence of disability and associated social and health-related factors among the elderly in Spain: a population-based study

“Mini-mental state”

Marshal F. Folstein, Susan E. Folstein, Paul R. McHugh · Journal of Psychiatric Research · 1975 · 85.9K citations

Assessment of Older People: Self-Maintaining and Instrumental Activities of Daily Living

M. P. Lawton, Elaine Brody · The Gerontologist · 1969 · 18.1K citations

Quality Of Life, Family Medicine, Physical Activity +23

STUDIES OF ILLNESS IN THE AGED. THE INDEX OF ADL: A STANDARDIZED MEASURE OF BIOLOGICAL AND PSYCHOSOCIAL FUNCTION.

Sidney Katz · PubMed · 1963 · 11.9K citations

Lower-Extremity Function in Persons over the Age of 70 Years as a Predictor of Subsequent Disability

Jack M. Guralnik, Luigi Ferrucci, Eleanor M. Simonsick et al. · New England Journal of Medicine · 1995 · 4K citations · Full text

Studies of Illness in the Aged

JAMA · 1963 · 1.9K citations

Aging, Geriatrics, Healthy Aging +9