http://reply.papertrans.cn/3/235/23443/23443-11.png
Submitted on: 13 October 2007.
Revised on: 09 November 2007.
Accepted on: 27 November 2007.
Nursing Practice Today
http://reply.papertrans.cn/3/235/23443/23443-13.png
http://reply.papertrans.cn/3/235/23443/23443-14.png
http://reply.papertrans.cn/3/235/23443/23443-15.png
http://reply.papertrans.cn/3/235/23443/23443-16.png
http://reply.papertrans.cn/3/235/23443/23443-17.png
http://reply.papertrans.cn/3/235/23443/23443-18.png
http://reply.papertrans.cn/3/235/23443/23443-19.png
http://reply.papertrans.cn/3/235/23443/23443-20.png