Submitted on: 15 September 2010.
Revised on: 03 November 2010.
Accepted on: 24 November 2010.
___________________Journal of Gerontological Nursing
Submitted on: 26 February 2014.
Revised on: 17 May 2014.
Accepted on: 10 June 2014.
___________________Journal of Gerontological Nursing
http://reply.papertrans.cn/2/171/17051/17051-13.png
http://reply.papertrans.cn/2/171/17051/17051-14.png
http://reply.papertrans.cn/2/171/17051/17051-15.png
http://reply.papertrans.cn/2/171/17051/17051-16.png
http://reply.papertrans.cn/2/171/17051/17051-17.png
Submitted on: 28 April 2000.
Revised on: 15 July 2000.
Accepted on: 27 July 2000.
___________________Journal of Gerontological Nursing
Submitted on: 16 July 2020.
Revised on: 14 August 2020.
Accepted on: 02 September 2020.
___________________Journal of Gerontological Nursing
http://reply.papertrans.cn/2/171/17051/17051-20.png