http://reply.papertrans.cn/3/279/27876/27876-11.png
Submitted on: 20 December 2006.
Revised on: 08 January 2007.
Accepted on: 02 February 2007.
Sexual & Reproductive Healthcare
Submitted on: 25 June 2009.
Revised on: 20 July 2009.
Accepted on: 12 August 2009.
Sexual & Reproductive Healthcare
http://reply.papertrans.cn/3/279/27876/27876-14.png
http://reply.papertrans.cn/3/279/27876/27876-15.png
Submitted on: 20 October 2014.
Revised on: 09 November 2014.
Accepted on: 20 November 2014.
Sexual & Reproductive Healthcare
Submitted on: 02 September 2022.
Revised on: 11 September 2022.
Accepted on: 29 September 2022.
Sexual & Reproductive Healthcare
http://reply.papertrans.cn/3/279/27876/27876-18.png
http://reply.papertrans.cn/3/279/27876/27876-19.png
Submitted on: 08 December 2006.
Revised on: 13 January 2007.
Accepted on: 19 January 2007.
Sexual & Reproductive Healthcare