Suetens C, Morales I, Savey A, Palomar M, Hiesmayr M, Lepape A, Gastmeier P, Schmit J C, Valinteliene R, Fabry J
HELICS-ICU data Centre, Epidemiology Unit, Scientific Institute of Public Health, Brussels, Belgium.
J Hosp Infect. 2007 Jun;65 Suppl 2:171-3. doi: 10.1016/S0195-6701(07)60038-3.