检索结果 - "Contraception Failures"

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  1. 1

    Contraceptive discontinuation, failure, and switching behavior in the Philippines 由 Perez, Aurora Esquivel 1949-

    出版 1996
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  2. 2

    Measuring the dynamics of contraceptive use.

    出版 1991
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  3. 3

    Meeting reproductive goals the impact of the quality of family planning services on unintended pregnancy in Peru 由 Mensch, Barbara S., Arends-Kuenning, Mary, Jain, Anrudh, Garate, Maria Rosa

    出版 1995
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  4. 4

    A new method for estimating contraceptive failure rates 由 Bongaarts, John 1945-, Rodriguez, German

    出版 1989
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  5. 5

    Contraceptive practice in Quirino province, Philippines experiences of side effects 由 Henry, Rebecca

    出版 2001
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