“Losing the Ability in Activities of Daily Living in the Oldest Old: A Hierarchic Disability Scale from the Newcastle 85+ Study,” by Andrew Kingston, Joanna Collerton, Karen Davies, John Bond, Louise Robinson, and Carol Jagger (PLoS ONE 7(2): e31665. doi:10.1371/journal.pone.0031665, XML, HTML, and .pdf format, 7p.).
www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0031665
