Submitted on: 22 November 2019.
Revised on: 07 March 2020.
Accepted on: 28 April 2020.
___________________Asian Nursing Research---ELSEVIER SCIENCE INC
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Submitted on: 21 October 1998.
Revised on: 14 February 1999.
Accepted on: 13 March 1999.
___________________Asian Nursing Research---ELSEVIER SCIENCE INC
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