@article{a947a2a2f11d444fb7aaad0512a60b04,
title = "New and worsening cconditions and change in physical and cognitive performance during weekly interventions over six months: The Women's Health and Aging Study",
author = "J.M. Guralnik and L. Ferrucci and B.W.J.H. Penninx and J.D. Kasper and S. Leveille and K. Bandeen-Roche and L.P. Fried",
year = "1999",
doi = "10.1093/gerona/54.8.M410",
language = "English",
volume = "54",
pages = "410--420",
journal = "Journals of Gerontology. Series A : Biological Sciences \& Medical Sciences",
issn = "1079-5006",
publisher = "Oxford University Press",
}