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Submitted on: 22 November 1999.
Revised on: 06 February 2000.
Accepted on: 02 April 2000.
___________________Journal of Pediatric and Adolescent Gynecology
Submitted on: 22 October 2009.
Revised on: 26 December 2009.
Accepted on: 07 February 2010.
___________________Journal of Pediatric and Adolescent Gynecology