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Submitted on: 04 June 2006.
Revised on: 18 July 2006.
Accepted on: 28 July 2006.
___________________Iranian Journal of Nursing and Midwifery Research
Submitted on: 29 March 2011.
Revised on: 20 July 2011.
Accepted on: 16 September 2011.
___________________Iranian Journal of Nursing and Midwifery Research
Submitted on: 06 August 2018.
Revised on: 08 November 2018.
Accepted on: 01 December 2018.
___________________Iranian Journal of Nursing and Midwifery Research
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