Risk-factors and predictors of mortality in patients colonised with vancomycin-resistant enterococci. - Sakka, V.; Tsiodras, S.; Galani, L.; Antoniadou, A.; Souli, M.; Galani, I.; Pantelaki, M.; Siafakas, N.; Zerva, L.; Giamarellou, H. (Clinical Microbiology & Infection, 2008)