Submitted on: 19 June 2002.
Revised on: 11 August 2002.
Accepted on: 31 August 2002.
___________________American Journal of Obstetrics & Gynecology MFM
Submitted on: 11 August 2009.
Revised on: 27 October 2009.
Accepted on: 25 November 2009.
___________________American Journal of Obstetrics & Gynecology MFM
Submitted on: 22 June 2009.
Revised on: 10 September 2009.
Accepted on: 26 October 2009.
___________________American Journal of Obstetrics & Gynecology MFM
Submitted on: 20 December 2007.
Revised on: 07 February 2008.
Accepted on: 24 March 2008.
___________________American Journal of Obstetrics & Gynecology MFM
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Submitted on: 07 November 2007.
Revised on: 15 January 2008.
Accepted on: 03 March 2008.
___________________American Journal of Obstetrics & Gynecology MFM
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Submitted on: 12 July 2000.
Revised on: 06 September 2000.
Accepted on: 03 November 2000.
___________________American Journal of Obstetrics & Gynecology MFM
Submitted on: 30 July 2008.
Revised on: 04 September 2008.
Accepted on: 18 September 2008.
___________________American Journal of Obstetrics & Gynecology MFM