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Submitted on: 21 July 2020.
Revised on: 08 November 2020.
Accepted on: 20 November 2020.
___________________CONTRACEPTION---ELSEVIER SCIENCE INC
Submitted on: 20 February 1999.
Revised on: 24 April 1999.
Accepted on: 11 May 1999.
___________________CONTRACEPTION---ELSEVIER SCIENCE INC
Submitted on: 30 March 2011.
Revised on: 20 June 2011.
Accepted on: 28 July 2011.
___________________CONTRACEPTION---ELSEVIER SCIENCE INC
http://reply.papertrans.cn/1/65/6482/6482-25.png
Submitted on: 16 November 2016.
Revised on: 25 December 2016.
Accepted on: 11 February 2017.
___________________CONTRACEPTION---ELSEVIER SCIENCE INC
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Submitted on: 11 September 2006.
Revised on: 03 January 2007.
Accepted on: 26 January 2007.
___________________CONTRACEPTION---ELSEVIER SCIENCE INC