1. Guggenbichler JP, Assadian O, Boeswald M, Kramer A (2011) Incidence and clinical implication of nosocomial infections associated with implantable biomaterials —catheters, ventilator-associated pneumonia, urinary tract infections. GMS Krankenhhyg Interdiszip 6:Doc18
2. Vincent JL (2003) Nosocomial infections in adult intensive-care units. Lancet 361:2068–2077
3. National Nosocomial Infections Surveillance System. National Nosocomial Infections Surveillance (NNIS) System Report, data summary from January 1992 to June 2002, issued August 2002 (2002) Am J Infect Control 30:458–475
4. Safdar N, Crnich CJ, Maki DG (2001) Nosocomial infections in the intensive care unit associated with invasive medical devices. Curr Infect Dis Rep 3:487–495
5. Elek SD, Conen PE (1957) The virulence of Staphylococcus pyogenes for man; a study of the problems of wound infection. Br J Exp Pathol 38:573–586