Family Planning - "Billings" ovulation method
DOI:
https://doi.org/10.1590/0080-6234198001400300257Abstract
The authors present "Billing" ovulation method as natural family planning.Downloads
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Published
1980-12-01
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Original Articles
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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
How to Cite
Bhering, M. S., & Kajiyama, H. (1980). Family Planning - "Billings" ovulation method. Revista Da Escola De Enfermagem Da USP, 14(3), 257-263. https://doi.org/10.1590/0080-6234198001400300257