John Billings
Born 1918-01-01
Identifiers
- Open LibraryOL15515219A
Top Subjects
- Birth control (2)
- Family Planning Services (1)
- Natural family planning (1)
- Ovulation method (1)
- Ovulation Detection (1)
- United States. Agency for International Development (1)
- Developing countries (1)
Books by John Billings
Total count: 2
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The ovulation methodthe avoidance of pregnancy in medical practice by a technique which is safe, reliable and morally acceptableThird edition.Advocate Press1970-01-01
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The promotion of birth control by the United States Agency for International DevelopmentOvulation Method Research and Reference Center1981-01-01