[Microbiological Isolates Associated with Nosocomial Infections in Intensive Care Units: Data of 274 Intensive Care Units Participating in the German Nosocomial Infections Surveillance System (KISS)]. - Geffers,C.; Zuschneid,I.; Sohr,D.; Ruden,H.; Gastmeier,P. (Anasthesiol Intensivmed Notfallmed Schmerzther, 2004)