7Flodgren G, Rojas-Reyes MX, Cole N, et al. Effectiveness of organisational infrastructures to promote evidence-based nursing practice [ J ]. Cochrane Database Syst Rev, 2012,15 ( 2 ) i 10.
8Black JM, Cuddigan JE, Walko M A, et al. Medical device related pressure ulcers in hospitalized patients [ J]. Int Wound J, 2010, 7(5) :358 -365.
9Oohura T, Takahashi M, Ohura N. Influence of external forces ( pres- sure and shear force) on superficial layer and subcutis of porcine skin and effects of dressing materials : Are dressing materials beneficial for reducing pressure and shear force in tissues[ J]. Wound Repair,2008, 16(1) :102 - 107.