Stevic Radmila, Zivkovic Teodora Beljic, Erceg Predrag, Milosevic Dragoslav, Despotovic Nebojsa, Davidovic Mladen
Department of Medicine, Gerontology Clinic, Zvezdara University Hospital, Medical School University of Belgrade, Belgrade, Serbia.
Age Ageing. 2007 Jul;36(4):459-62. doi: 10.1093/ageing/afm076.