Abu Mourad Tayser, Shashaa Suzanne, Alegakis Athanasios, Lionis Christos, Philalithis Anastas
Department of Social Medicine, School of Medicine, University of Crete, Heraklion, Crete, Greece.
Eur J Gen Pract. 2007;13(4):241-3. doi: 10.1080/13814780701691855.