1. Duursma S, Castleden M, Cherubini A, Cruz Jentoft A, Pitkala K, Rainfray M, et al. Position statement on geriatric medicine and the provision of health care services to older people. J Nutr Hlth Aging 2004;8:190-5;
2. Evans J. Geriatric medicine: a brief history. BMJ 1997;315:1075-7;
3. Van Den Noortgate N, Petrovic M. The importance of a geriatric approach in medicine. Acta Clinica Belgica 2009;64:7-10;
4. Petrovic M. Professional standards in geriatric training in Europe. Gerontology. Review of the Gerontological Society of Serbia 2010;1:9-16;
5. Training in geriatric medicine in the European Union. Brussels: Geriatric Medicine Section. European Union of Medical Specialists; 2000;