Submitted on: 02 November 2006.
Revised on: 17 December 2006.
Accepted on: 07 February 2007.
___________________JOGNN-JOURNAL OF OBSTETRIC GYNECOLOGIC AND NEONATAL NURSING
Submitted on: 09 October 2016.
Revised on: 18 November 2016.
Accepted on: 12 December 2016.
___________________JOGNN-JOURNAL OF OBSTETRIC GYNECOLOGIC AND NEONATAL NURSING
http://reply.papertrans.cn/2/150/14920/14920-13.png
http://reply.papertrans.cn/2/150/14920/14920-14.png
http://reply.papertrans.cn/2/150/14920/14920-15.png
Submitted on: 20 June 2018.
Revised on: 28 September 2018.
Accepted on: 09 November 2018.
___________________JOGNN-JOURNAL OF OBSTETRIC GYNECOLOGIC AND NEONATAL NURSING
Submitted on: 28 July 1998.
Revised on: 13 October 1998.
Accepted on: 01 November 1998.
___________________JOGNN-JOURNAL OF OBSTETRIC GYNECOLOGIC AND NEONATAL NURSING
http://reply.papertrans.cn/2/150/14920/14920-18.png
Submitted on: 26 February 2017.
Revised on: 12 May 2017.
Accepted on: 18 June 2017.
___________________JOGNN-JOURNAL OF OBSTETRIC GYNECOLOGIC AND NEONATAL NURSING
Submitted on: 06 October 2013.
Revised on: 29 January 2014.
Accepted on: 01 March 2014.
___________________JOGNN-JOURNAL OF OBSTETRIC GYNECOLOGIC AND NEONATAL NURSING