作者单位:
Section of Geriatrics and Palliative Medicine, University of Chicago, MC 6098, 5841 S. Maryland Ave
[1]
School of Nursing, University of Pennsylvania, Philadelphia, United States
[2]
Division of Geriatric Medicine, Dalhousie University, Halifax, NS, Canada
[3]
Division of Health Care Statistics, National Center for Health Statistics, Centers for Disease
[4]
Geriatric Research, Education and Clinical Center, Veterans Affairs Pittsburgh Healthcare System
[5]
Section of General Internal Medicine, University of Chicago, Chicago, IL, United States
[6]
College of Nursing, University of Iowa, Iowa City, IA, United States
[7]
发布时间
2014-03-27