@article{36ffe19f67694fba8d1fe89d48dc0982,
title = "Proxy reports of physical activity were valid in older people with and without cognitive impairment",
author = "Middleton, {Laura E.} and Kirkland, {Susan A.} and Arnold Mitnitski and Kenneth Rockwood",
note = "Funding Information: All significant contributors to this work are included as authors. Funding for these analyses come from the Canadian Institutes of Health Research and from the Fountain Innovation Fund of the Queen Elizabeth II Research Foundation, Halifax, Nova Scotia, Canada. Susan Kirkland receives support through a Clinical Scholar Award from the Faculty of Medicine at Dalhousie University. Kenneth Rockwood is supported by the Dalhousie Medical Research Foundation as Kathryn Allen Weldon Professor of Alzheimer Research. ",
year = "2010",
month = apr,
doi = "10.1016/j.jclinepi.2009.06.009",
language = "English",
volume = "63",
pages = "435--440",
journal = "Journal of Clinical Epidemiology",
issn = "0895-4356",
publisher = "Elsevier USA",
number = "4",
}