Natural contraception using the Billings ovulation method

Author: Attar E.   Gokdemirel S.   Serdaroglu H.   Coskun A.  

Publisher: Informa Healthcare

ISSN: 1473-0782

Source: The European Journal of Contraception and Reproductive Health Care, Vol.7, Iss.2, 2002-06, pp. : 96-99

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Abstract