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Submitted on: 07 July 1999.
Revised on: 23 July 1999.
Accepted on: 30 July 1999.
Nursing Reports---MDPI
Submitted on: 20 February 2004.
Revised on: 29 February 2004.
Accepted on: 18 March 2004.
Nursing Reports
Submitted on: 25 May 2009.
Revised on: 01 July 2009.
Accepted on: 28 July 2009.
Nursing Reports---MDPI
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