Submitted on: 23 September 1999.
Revised on: 05 October 1999.
Accepted on: 29 October 1999.
Revista Brasileira de Ginecologia e Obstetricia
Submitted on: 07 February 2010.
Revised on: 05 March 2010.
Accepted on: 20 March 2010.
Revista Brasileira de Ginecologia e Obstetricia
Submitted on: 14 March 2001.
Revised on: 21 April 2001.
Accepted on: 03 May 2001.
Revista Brasileira de Ginecologia e Obstetricia
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Submitted on: 28 June 2002.
Revised on: 08 August 2002.
Accepted on: 29 August 2002.
Revista Brasileira de Ginecologia e Obstetricia