URI(s)
- http://id.loc.gov/authorities/subjects/sh85090217
- http://id.loc.gov/authorities/sh85090217#concept
Components
- Calendar method
Variants
- Calendar method of birth control
- Natural family planning--Rhythm method
- Rhythm method (Birth control)
- Rhythm method of birth control
Closely Matching Concepts from Other Schemes
Earlier Established Forms
- Rhythm method (Birth control)
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1986-02-11: new
- 1990-06-23: revised
Alternate Formats