URI(s)
- http://id.loc.gov/authorities/subjects/sh85090218
- http://id.loc.gov/authorities/sh85090218#concept
Components
- Ovulation method
Variants
- Billings ovulation method of birth control
- Cervical mucus method of birth control
- Natural family planning--Billings ovulation method
- Natural family planning--Cervical mucus method
- Ovulation method of birth control
Broader Terms
Closely Matching Concepts from Other Schemes
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1986-02-11: new
Alternate Formats
