Submitted on: 13 January 2001.
Revised on: 20 April 2001.
Accepted on: 14 May 2001.
___________________AUSTRALIAN & NEW ZEALAND JOURNAL OF OBSTETRICS & GYNAECOLOGY
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Submitted on: 05 December 2005.
Revised on: 22 February 2006.
Accepted on: 07 March 2006.
___________________AUSTRALIAN & NEW ZEALAND JOURNAL OF OBSTETRICS & GYNAECOLOGY
Submitted on: 26 October 2000.
Revised on: 06 February 2001.
Accepted on: 27 March 2001.
___________________AUSTRALIAN & NEW ZEALAND JOURNAL OF OBSTETRICS & GYNAECOLOGY
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