Taylor Matthew J D, Shawis Teshk, Impson Rebecca, Ewins Katie, McCormick Darren, Griffin Murray
Department of Biological Sciences, University of Essex, Colchester, United Kingdom.
J Am Geriatr Soc. 2012 Sep;60(9):1781-3. doi: 10.1111/j.1532-5415.2012.04122.x.