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  1. 1

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

    Publicat 1989
    Llibre

    A new method for estimating contraceptive failure rates
  2. 2

    Assessing the availability of fertility regulation methods report on a methodological study. per Rodriguez, German

    Publicat 1977
    Llibre

    Assessing the availability of fertility regulation methods report on a methodological study.

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