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Fertility Disorders and the Billings Ovulation Method

Dr. Pilar Vigil P.
Faculty of Biological Sciences
Pontifical Catholic University of Chile

This paper was presented at the International Jubilee Conference, 50th Anniversary of Billings Method, UNiversity of Melbourne, Australia, conducted by Ovulation Method Research & Reference Centre of Australia, March 28-30, 2003.

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© Ovulation Method Research and Reference Centre of Australia 2005