4American Geriatric Society and British Geriatrics Society.Guidelines for the prevention of falls in old persons.J Am Geriatric Soc,2001,49(5):664-672.
5Sullivan RP,Badros KK.Recognizerisk factors to prevent patients falls.Nursing Management,1999,30(5):37-40.
6Lamb SE,Jorstad-Stein EC,Hauer K,et al.Development of a common outcome data set for injury prevention trials:the prevention of falls Network Europe Consensus.Am Geriatric Soc,2005,53(9):1618-1622.
7The Joanna Briggs Institute.level of evidence.[2009-10].http://joanabriggs.edu.pubd/approach.php.
9Bagnall RH, Ruccione K .Practical application of an algorithm for the thrombolytic treatment of occluded vascular access devices.Journal of Pediatric Oncology Nursing ,1993,10(2):79-82.
1Weber DJ,Rutala WA. Understanding and preventing trans -mission of healthcare - associated pathogens due to the contam-inated hospital environment [ J]. Infect control Hosp Epiderai-ol,2013,34(5) :449 - 452.
2Donskey CJ. Does improving surface cleaning and disinfectionreduce health care - associated infections [ J ]. Am J Infect Con-trol,2013 ,41 (5 Suppl) : 12 - 19.