6McGillis H L,Doran D,Pink G H. Nurse staffing models nursing hours and patient safety outcomes[J]. JONA, 2004,34(1) :41-45.
7Person S D, Allison J J ,Kiefe C I,et al. Nurse staffing and mortality for medicare patients with acute myocardial infarction[J]. Med Care, 2004,42( 1 ) :4-12.
8Nderson A,Van Eps M A,Pearson K,et al. 'Caring for' behaviours that indicate to patients that nurses' care about'them[J]. J Adv Nurs,2007,60(2) : 146-153.