Rolfson Darryl B, Majumdar Sumit R, Tsuyuki Ross T, Tahir Adeel, Rockwood Kenneth
Division of Geriatric Medicine, University of Alberta, B139C Clin Sci Building, 8440-112 Street, Edmonton, Alberta, Canada, T6G 2B7.
Age Ageing. 2006 Sep;35(5):526-9. doi: 10.1093/ageing/afl041. Epub 2006 Jun 6.