8Flaherty JP,Weinstein RA.Nosocomial infection caused by antibiotic-resistant organisms in the intensive-care unit[J].Infect Control Hosp Epidemiol,1996,17(4):236-248.
9Dixon RE.Control of health-care--associated infections,1961--2011[J].MMWR Surveill Summ,2011,60(4):58-63.
10Linck Cde L,Crossetti Mda G.Frailty in elderly people:what nursing research has produced[J].Rev Gaucha Enferm,2011,32(2):385-393.
