1. Preventing nosocomial pneumonia: state of the art and perspectives for the 1990’s.;Craven;Am J Med,1991
2. Guideline for prevention of nosocomial pneumonia: Part I.;Tablan;Issues on prevention of nosocomial pneumonia, 1994. Infect Control Hosp Epidemiol,1994
3. Nosocomial infection surveillance, 1984.;Horan;MMWR,1986
4. Prevention and control of nosocomial pneumonia;Craven,1992
5. Hospital-acquired pneumonia: perspective for the epidemiologist.;Craven;Infect Control Hosp Epidemiol,1995