Hoeymans, NFeskens, EJMvan den Bos, GAMKromhout, D2025-03-142025-03-141996https://rivm.openrepository.com/handle/10029/636462Measuring functional status: cross-sectional and longitudinal associations between performance and self-report. (Zutphen Elderly Study 1990-1993)ArticleJ Clin Epidiomiol 1996; 49:1103-102025-03-14