http://reply.papertrans.cn/3/236/23505/23505-11.png
http://reply.papertrans.cn/3/236/23505/23505-12.png
Submitted on: 25 November 2002.
Revised on: 18 December 2002.
Accepted on: 29 December 2002.
Obstetrician & Gynaecologist---WILEY
Submitted on: 21 February 2019.
Revised on: 09 March 2019.
Accepted on: 29 March 2019.
Obstetrician & Gynaecologist---WILEY
Submitted on: 01 January 2004.
Revised on: 11 February 2004.
Accepted on: 25 February 2004.
Obstetrician & Gynaecologist
http://reply.papertrans.cn/3/236/23505/23505-16.png
http://reply.papertrans.cn/3/236/23505/23505-17.png
Submitted on: 07 August 2017.
Revised on: 11 September 2017.
Accepted on: 06 October 2017.
Obstetrician & Gynaecologist
Submitted on: 16 March 2000.
Revised on: 28 April 2000.
Accepted on: 05 May 2000.
Obstetrician & Gynaecologist---WILEY
http://reply.papertrans.cn/3/236/23505/23505-20.png