Submitted on: 05 February 2002.
Revised on: 14 April 2002.
Accepted on: 10 June 2002.
___________________Clinical and Experimental Obstetrics & Gynecology
Submitted on: 12 March 2009.
Revised on: 05 April 2009.
Accepted on: 20 May 2009.
___________________Clinical and Experimental Obstetrics & Gynecology
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Submitted on: 16 January 2011.
Revised on: 22 April 2011.
Accepted on: 25 May 2011.
___________________Clinical and Experimental Obstetrics & Gynecology
Submitted on: 23 July 2007.
Revised on: 22 October 2007.
Accepted on: 15 November 2007.
___________________Clinical and Experimental Obstetrics & Gynecology
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