- Correspondence to Dr Daniela Isoyama Manca di Villahermosa, Faculty of Medicine of ABC, Clinic for Human Reproduction, Avenida Principe de Gales, 821, Santo André, SP 09060-650, Brazil;
- Received 23 October 2012
- Accepted 25 February 2013
- Published in print 16 March 2013.
- Published online 19 March 2013.
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