3While A, Dewsbury G. Nursing and information and corn munication technology (ICT) : a discussion of trends and fu ture directions[J]. Int J Nurs Stud, 2011,48 ( 10 ) : 1302- 1310.
4Munro J, Sampson F, Nicholl J. The impact of NHS Di rect on the demand for out-of-hours primary and emer- gency care[J]. Br J Gen Pract,2005,55(519) :790-792.
