The ovulation method
Subtitle: natural family planning
By: John J. Billings
Edition: 4th ed.
Publisher: Liturgical Press
Published: 1972
Place of publication: Collegeville, MN
Language: eng
Number of pages: 34
Subjects: Natural family planning -- Ovulation method.; Ovulation -- Detection; Sexual abstinence.; Natural family planning -- Calendar method.
Notes: "Published under the auspices of the Department of Health and Hospitals of the Catholic Welfare Bureau of the Archdiocese of Los Angeles."--Title page.

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