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Submitted on: 12 July 2002.
Revised on: 08 November 2002.
Accepted on: 17 December 2002.
___________________GEBURTSHILFE UND FRAUENHEILKUNDE
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Submitted on: 23 February 2001.
Revised on: 16 April 2001.
Accepted on: 14 June 2001.
___________________GEBURTSHILFE UND FRAUENHEILKUNDE
Submitted on: 14 August 2013.
Revised on: 20 November 2013.
Accepted on: 04 December 2013.
___________________GEBURTSHILFE UND FRAUENHEILKUNDE
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http://reply.papertrans.cn/2/105/10403/10403-18.png
Submitted on: 23 March 2000.
Revised on: 06 May 2000.
Accepted on: 03 July 2000.
___________________GEBURTSHILFE UND FRAUENHEILKUNDE
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